diff --git a/.gitignore b/.gitignore
index 9ccc775..fd23ca6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,7 @@
 *.sqlite
 *.sqlite-*
 /me.md
+/projects/
 /approvals.local.md
 /layout.local.md
 /.agent-output/
diff --git a/README.md b/README.md
index d9f77c5..15ebc07 100644
--- a/README.md
+++ b/README.md
@@ -101,15 +101,16 @@ A cadence written in a profile does not itself run anything.
 | [SKILL.md](skills/agency/SKILL.md) | How Agency learns, delegates, proves results and handles decisions |
 | [LAYOUT.md](skills/agency/LAYOUT.md) | Editable card appearance, graphics, typography and explanation style |
 | [APPROVALS.md](skills/agency/APPROVALS.md) | Editable defaults for what the agent may do and when it asks |
-| `me.md`, private | Your dream, writing style, preferences, sources and constraints |
+| `me.md`, private | Your writing style, preferences and constraints, shared by every project |
+| `projects/<id>/me.md`, private | One project's dream, goals and sources |
 | This README | Setup, profile synchronization, access and the app API |
 
 Keep evidence, exact drafts, one-off approvals and outcomes in local card/job history.
 Keep credentials in your runner's secret store.
 
 For personal approval settings, copy the default to a private location such as checkout-root
-`approvals.local.md` and tell the agent its absolute `APPROVALS_PATH`. That filename and `me.md`
-are Git-ignored. The installer also gives you your own editable policy beside the installed skill.
+`approvals.local.md` and tell the agent its absolute `APPROVALS_PATH`. That filename, `me.md`
+and `projects/` are Git-ignored. The installer also gives you your own editable policy beside the installed skill.
 The agent reads the policy; the app does not enforce it. Current explicit restrictions and runner
 rules take precedence. Do not infer broader permission from past acceptance.
 
@@ -141,21 +142,35 @@ instructions, not automatic file injection, a website setting or a CSS theme eng
 Updating the file alone does not restyle existing cards or update older installed skill copies.
 Themes change presentation, not approvals, evidence, scores or host controls.
 
-#### Synchronize My dream and me.md
+#### Projects
 
-Use `ME_PATH` for your private file and `RADAR_URL` for the running app. The default profile path
-is checkout-root `me.md`. Check both sides before selecting a direction.
+Agency keeps separate projects, for example one per company or product. Each project has its own
+dream, topics, cards, jobs and stats. Your shared `me.md` applies to all of them. Switch projects
+from the menu in the top bar. Add, rename or remove empty projects in Settings.
+
+A new install starts with one project, `default`. On upgrade, existing cards, dreams and topics
+move into it. Tell the agent which project to work in, or set `AGENCY_PROJECT=acme`. Keep each
+project's research in `agent-work/<project>/`.
+
+#### Synchronize a project's dream and me.md
+
+A project's dream in the app and its private `projects/<id>/me.md` are one document. Use
+`--project` (or `AGENCY_PROJECT`) for the project and `RADAR_URL` for the running app. Check both
+sides before selecting a direction.
 
 ```sh
 export RADAR_URL=http://localhost:3100
-export ME_PATH=/absolute/path/to/me.md
-node scripts/sync-me.mjs --check
+node scripts/sync-me.mjs --project acme --check
 ```
 
-- Existing file into a fresh app: `node scripts/sync-me.mjs --file-to-app`.
-- Newly entered app dream into a new file: `node scripts/sync-me.mjs --app-to-file`.
+- Existing file into a fresh app: `node scripts/sync-me.mjs --project acme --file-to-app`.
+- Newly entered app dream into a new file: `node scripts/sync-me.mjs --project acme --app-to-file`.
 - No flag: synchronize whichever side has the newer timestamp.
 
+`PROJECT_ME_PATH` overrides the file for that one project. The shared `me.md` is never synchronized.
+Coming from a single `me.md`, run `node scripts/sync-me.mjs --project default --app-to-file` once,
+then keep only your voice, preferences and constraints in `me.md`.
+
 An empty source cannot overwrite a nonempty profile. Legacy `--pull` (file to app) and `--push`
 (app to file) remain supported. The agent handles this copying; the user need not manage it.
 Synchronize before work waves and after authorized profile edits. The agent learns from evidence
@@ -227,6 +242,17 @@ Use the supplied app root and `RADAR_URL`. Inspect the current routes if this ch
 a cloud worker does not automatically have local app access. Keep the app on loopback.
 Include `x-radar-local-agent: 1` for local agent requests.
 
+#### Projects
+
+Pass the project on every call: reads take `?project=<id>` and writes take `projectId` in the JSON
+body. A missing project means `default`; an unknown project returns 404.
+
+- `GET /api/projects` lists each project's `id`, `label`, `open` (New cards) and `cards`.
+  `POST /api/projects {label}` creates a project with a slug id; `{id,label}` creates or renames.
+  `DELETE /api/projects?id=<id>` removes only an empty project.
+- `GET /api/agent-jobs?project=<id>` narrows the queue to one project. Without it, jobs from every
+  project are listed, each with its `projectId`. The ten concurrent slots are shared.
+
 #### Read, coordinate and claim
 
 - `GET /api/agent-jobs` returns available latest jobs, not an exclusive claim. Read `cardContext`,
@@ -242,7 +268,8 @@ Include `x-radar-local-agent: 1` for local agent requests.
   The API has no exclusive worker token. Coordinate other active agents and recheck live state;
   do not assume a successful running update prevents another worker from acting.
 - Reuse the canonical `dedupeKey`, based on project, subject, problem, outcome and stable anchors.
-  A different title, timestamp or agent is not new work. Enrich existing New/Working cards; revive
+  A different title, timestamp or agent is not new work. Keys are unique across projects,
+  so start them with the project id; a key owned by another project returns 409. Enrich existing New/Working cards; revive
   completed/rejected work only when fresh evidence addresses the prior outcome or rejection.
 
 #### Finish every job explicitly
@@ -271,11 +298,12 @@ Never add an Acknowledge/Keep blocked no-op. Keep actual in-flight checks Workin
 
 Write one HTML file and a metadata JSON file in the configured app. The metadata requires
 `project`, `category`, `headline`, `dedupeKey`, the four `rise` components, and `cardHtmlFile`
-relative to the JSON file. Include `effortSeconds`, `effortReason`, `agentContext`, `sourceLabel`,
+relative to the JSON file. `projectId` (or `AGENCY_PROJECT`) selects the Agency project; `project`
+names the product or repository area within it. Include `effortSeconds`, `effortReason`, `agentContext`, `sourceLabel`,
 `sourceUrl` and `agentName` where useful. Run:
 
 ```sh
-RADAR_URL=http://localhost:3100 npm run card:push -- path/to/card.json
+AGENCY_PROJECT=acme RADAR_URL=http://localhost:3100 npm run card:push -- path/to/card.json
 ```
 
 The script reads the file and POSTs `cardHtml` to `/api/ideas`. HTML must be 80-250,000 characters;
@@ -324,14 +352,14 @@ unchanged; missing estimates show no value. The active-time counter is separate.
 Default UI sorting is displayed score, then stored total, then ID; the user may choose effort or
 newest. Backend result order is not necessarily the user's current order.
 
-`GET /api/topics` returns topic names (`label`) and descriptions (`hint`). Reuse topics; for a
-new lane use `POST /api/topics {label,hint}`. Set the card category to the full topic ID or
+`GET /api/topics?project=<id>` returns that project's topic names (`label`) and descriptions (`hint`).
+Reuse topics; for a new lane use `POST /api/topics {projectId,label,hint}`. Set the card category to the full topic ID or
 name, for example `Support`. The agent chooses it; the app does not match keywords. New
 installs have no preset topics. Existing topics stay editable. Unmatched cards stay in All.
 Do not rename/delete the user's topics without approval.
 
-Authoritative source paths in the configured checkout: `app/api/{agent-jobs,ideas,state,topics}`,
-`lib/job-lifecycle.ts`, `lib/blocked-card.ts`, `lib/rise.ts`, `lib/card-focus.ts` and
+Authoritative source paths in the configured checkout: `app/api/{agent-jobs,ideas,projects,state,topics}`,
+`lib/project.ts`, `lib/job-lifecycle.ts`, `lib/blocked-card.ts`, `lib/rise.ts`, `lib/card-focus.ts` and
 `scripts/{push-card,sync-me}.mjs`. The agent authors each card’s HTML and actions.
 
 
@@ -346,7 +374,7 @@ The local `.openai/hosting.json` declares only local
 bindings; it contains no shared hosting project. The included build helper is required by Vite.
 
 Each checkout has its own database, profile and assets. Keep backups private. Never commit
-`.wrangler`, `me.md`, personal approval settings, environment files, browser state or customer media.
+`.wrangler`, `me.md`, `projects/`, personal approval settings, environment files, browser state or customer media.
 Sharing this source does not share your cards or credentials.
 The private `.agents/skills/design/` bundle and local migration state are ignored too; do not force-add
 them. Shared defaults belong in the tracked Agency instructions, without personal ticket examples.
diff --git a/app/agency.tsx b/app/agency.tsx
index 5e39054..795e3b9 100644
--- a/app/agency.tsx
+++ b/app/agency.tsx
@@ -5,6 +5,7 @@ import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { cardDraftKey, keepSelectedCard, nextCardAfterRemoval } from "../lib/card-focus";
 import { cardShortcut } from "../lib/card-shortcut";
 import { clusterForCard, type Topic } from "../lib/card-cluster";
+import { DEFAULT_PROJECT_ID, projectHref, readActiveProject, rememberActiveProject, type Project } from "../lib/project";
 import { compareByImpact, impactPoints } from "../lib/rise";
 import { MAX_TASK_LENGTH, submitNewTask } from "../lib/task-submission";
 
@@ -40,6 +41,8 @@ type Idea = {
 };
 
 type RadarState = {
+  project: Project | null;
+  projects: Project[];
   context: { text: string; createdAt: string } | null;
   topics: Topic[];
   ideas: Idea[];
@@ -77,6 +80,8 @@ type AttentionTracker = {
 };
 
 const emptyState: RadarState = {
+  project: null,
+  projects: [],
   context: null,
   topics: [],
   ideas: [],
@@ -243,14 +248,14 @@ function dayLabel(key: string) {
   return new Date(`${key}T12:00:00`).toLocaleDateString("en-US", { weekday: "short", month: "short", day: "numeric" });
 }
 
-function DoneList({ ideas, topics, onAction, onInteraction }: { ideas: Idea[]; topics: Topic[]; onAction: (idea: Idea, action: CardAction) => void; onInteraction: (idea: Idea, action: string, label: string) => void }) {
+function DoneList({ ideas, topics, projectId, onAction, onInteraction }: { ideas: Idea[]; topics: Topic[]; projectId: string; onAction: (idea: Idea, action: CardAction) => void; onInteraction: (idea: Idea, action: string, label: string) => void }) {
   const [day, setDay] = useState<string>("all");
   const [openId, setOpenId] = useState<number | null>(null);
   const [cardHtml, setCardHtml] = useState<Record<number, string>>({});
   useEffect(() => {
     if (!openId || cardHtml[openId]) return;
     let cancelled = false;
-    fetch(`/api/state?view=done&only=${openId}`, { cache: "no-store" })
+    fetch(`/api/state?view=done&only=${openId}&project=${encodeURIComponent(projectId)}`, { cache: "no-store" })
       .then((response) => response.json())
       .then((state: { ideas: Idea[] }) => {
         const html = state.ideas[0]?.cardHtml ?? "";
@@ -258,7 +263,7 @@ function DoneList({ ideas, topics, onAction, onInteraction }: { ideas: Idea[]; t
       })
       .catch(() => undefined);
     return () => { cancelled = true; };
-  }, [openId, cardHtml]);
+  }, [openId, cardHtml, projectId]);
   const groups = useMemo(() => {
     const map = new Map<string, Idea[]>();
     for (const idea of ideas) {
@@ -313,7 +318,29 @@ function DoneList({ ideas, topics, onAction, onInteraction }: { ideas: Idea[]; t
   );
 }
 
+const MANAGE_PROJECTS = "__manage";
+
+function ProjectSwitcher({ projects, projectId, onSelect }: { projects: Project[]; projectId: string; onSelect: (id: string) => void }) {
+  if (!projects.length) return null;
+  return (
+    <select
+      className="radar-project"
+      aria-label="Project"
+      title="Switch project"
+      value={projectId}
+      onChange={(event) => {
+        if (event.target.value === MANAGE_PROJECTS) window.location.assign(`${projectHref("/settings", projectId)}#projects`);
+        else onSelect(event.target.value);
+      }}
+    >
+      {projects.map((project) => <option key={project.id} value={project.id}>{project.label}{project.open ? ` · ${project.open}` : ""}</option>)}
+      <option value={MANAGE_PROJECTS}>Manage projects…</option>
+    </select>
+  );
+}
+
 export function Agency() {
+  const [projectId, setProjectId] = useState(readActiveProject);
   const [data, setData] = useState<RadarState>(emptyState);
   const [view, setView] = useState<"new" | "working" | "done">("new");
   const [cluster, setCluster] = useState<string>("all");
@@ -357,6 +384,7 @@ export function Agency() {
     const requestId = ++loadRequestRef.current;
     const stateUrl = new URL("/api/state", window.location.origin);
     stateUrl.searchParams.set("view", targetView);
+    stateUrl.searchParams.set("project", projectId);
     if (targetView === "done") stateUrl.searchParams.set("light", "1");
     const deepLinkedCardId = Number(new URLSearchParams(window.location.search).get("card"));
     const requestedCardId = selection?.preferred?.id
@@ -364,8 +392,17 @@ export function Agency() {
       ?? (!deepLinkHandledRef.current && Number.isInteger(deepLinkedCardId) && deepLinkedCardId > 0 ? deepLinkedCardId : null);
     if (requestedCardId) stateUrl.searchParams.set("card", String(requestedCardId));
     const response = await fetch(stateUrl, { cache: "no-store" });
+    if (response.status === 404) {
+      // A remembered project was removed. Fall back to the default project.
+      if (requestId === loadRequestRef.current && projectId !== DEFAULT_PROJECT_ID) {
+        rememberActiveProject(DEFAULT_PROJECT_ID);
+        setProjectId(DEFAULT_PROJECT_ID);
+      }
+      return;
+    }
     const next = (await response.json()) as RadarState;
     if (requestId !== loadRequestRef.current) return;
+    rememberActiveProject(projectId);
     if (!deepLinkHandledRef.current) {
       deepLinkHandledRef.current = true;
       const requestedId = Number(new URLSearchParams(window.location.search).get("card"));
@@ -383,15 +420,16 @@ export function Agency() {
     const anchor = selection ? selection.preferred : selectedIdeaRef.current;
     selectIdea(keepSelectedCard(anchor, visible, next.ideas));
     setLoading(false);
-  }, [selectIdea, view]);
+  }, [projectId, selectIdea, view]);
 
   useEffect(() => {
     if (typeof window === "undefined") return;
-    if (!selectedIdea) return;
     const url = new URL(window.location.href);
-    url.searchParams.set("card", String(selectedIdea.id));
+    if (projectId === DEFAULT_PROJECT_ID) url.searchParams.delete("project");
+    else url.searchParams.set("project", projectId);
+    if (selectedIdea) url.searchParams.set("card", String(selectedIdea.id));
     window.history.replaceState(null, "", url);
-  }, [selectedIdea]);
+  }, [projectId, selectedIdea]);
 
   useEffect(() => {
     let cancelled = false;
@@ -675,7 +713,7 @@ export function Agency() {
     setComposerError("");
     try {
       if (composer === "task") {
-        const { jobId } = await submitNewTask(task);
+        const { jobId } = await submitNewTask(task, projectId);
         const newIdeas = ideasForView(data.ideas, "new", sort);
         const filtered = newIdeas.filter((idea) => cluster === "all" || clusterForCard(idea, data.topics) === cluster);
         const candidates = filtered.length ? filtered : newIdeas;
@@ -689,7 +727,7 @@ export function Agency() {
         // Refresh failure must not make a saved task look unsent.
         void load("new", { preferred: next }).catch(() => undefined);
       } else {
-        const response = await fetch("/api/context", { method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify({ text: dream }) });
+        const response = await fetch("/api/context", { method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify({ text: dream, projectId }) });
         if (!response.ok) {
           const result = await response.json().catch(() => null) as { error?: string } | null;
           throw new Error(result?.error || "Your context was not saved. Try again.");
@@ -725,6 +763,24 @@ export function Agency() {
     setMessage("");
   }
 
+  function switchProject(next: string) {
+    if (next === projectId) return;
+    recordCardInteraction(active, "lane", `project:${next}`);
+    const url = new URL(window.location.href);
+    url.searchParams.delete("card");
+    window.history.replaceState(null, "", url);
+    rememberActiveProject(next);
+    setComposer(null);
+    setComposerError("");
+    setMessage("");
+    setView("new");
+    setCluster("all");
+    selectIdea(null);
+    setData(emptyState);
+    setLoading(true);
+    setProjectId(next);
+  }
+
   function updateFeedback(value: string) {
     if (!active) return;
     const key = cardDraftKey(active);
@@ -744,9 +800,12 @@ export function Agency() {
   if (!data.context?.text?.trim()) {
     return (
       <main className="radar-shell radar-first-run">
+        <div className="radar-first-run-project">
+          <ProjectSwitcher projects={data.projects} projectId={projectId} onSelect={switchProject} />
+        </div>
         <section className="radar-context">
           <header>
-            <p>What&rsquo;s your dream right now?</p>
+            <p>{data.projects.length > 1 && data.project ? <>What&rsquo;s your dream for {data.project.label}?</> : <>What&rsquo;s your dream right now?</>}</p>
             <small>Your coding agent can learn this from your recent work and fill it in. Or write a few words below. This page saves your dream; your coding agent creates the cards.</small>
           </header>
           <textarea value={contextDraft} onChange={(event) => setContextDraft(event.target.value)} placeholder="What do you want to achieve? What should your agent pay attention to?" />
@@ -760,7 +819,9 @@ export function Agency() {
   return (
     <main className="radar-shell">
       <header className="radar-header">
-        <div className="radar-bar-left" aria-hidden="true" />
+        <div className="radar-bar-left">
+          <ProjectSwitcher projects={data.projects} projectId={projectId} onSelect={switchProject} />
+        </div>
         <nav aria-label="Agency queue">
             <button aria-label={`New, ${laneCounts.new} tickets`} className={view === "new" ? "is-active" : ""} onClick={() => selectView("new")}>New <b>{laneCounts.new}</b></button>
             <button aria-label={`Working, ${laneCounts.working} tickets`} className={view === "working" ? "is-active" : ""} onClick={() => selectView("working")}>Working <b>{laneCounts.working}</b></button>
@@ -773,7 +834,7 @@ export function Agency() {
               <span><b>{formatDuration(active.decisionEstimateMs)}</b><i>effort</i></span>
             </span>
           )}
-          <Link className="radar-scores" href="/stats" title="Points today and all time. Opens stats.">
+          <Link className="radar-scores" href={projectHref("/stats", projectId)} title="Points today and all time. Opens stats.">
             <span className="is-today"><b>{data.completionStats.pointsToday.toLocaleString("en-US")}</b><i>today</i></span>
             <span><b>{data.completionStats.points.toLocaleString("en-US")}</b><i>total</i></span>
           </Link>
@@ -784,7 +845,7 @@ export function Agency() {
       <nav className="radar-clusters" aria-label="Filter by kind of work">
         <div className="radar-side-actions">
           <button className={`radar-tell${composer ? " is-open" : ""}`} disabled={taskSubmitting} onClick={() => (composer ? setComposer(null) : openNewTask())}>New task</button>
-          <Link className="radar-settings-link" href="/settings">Settings</Link>
+          <Link className="radar-settings-link" href={projectHref("/settings", projectId)}>Settings</Link>
         </div>
         <div className="radar-sort" role="group" aria-label="Sort">
           {([["newest", "Newest"], ["score", "Score"], ["effort", "Effort"]] as const).map(([key, label]) => {
@@ -822,12 +883,12 @@ export function Agency() {
           </label>
           {composerError && <p className="radar-task-error" role="alert">{composerError}</p>}
           <footer>
-            <Link className="radar-settings-link" href="/settings">Edit my dream and topics in Settings</Link>
+            <Link className="radar-settings-link" href={projectHref("/settings", projectId)}>Edit my dream and topics in Settings</Link>
             <button className="is-dark" disabled={taskSubmitting || !taskDraft.trim()} onClick={() => void submitTell()}>{taskSubmitting ? "Sending…" : "Send"}</button>
           </footer>
         </section>
       ) : view === "done" ? (
-        <DoneList ideas={visibleIdeas} topics={data.topics} onAction={(idea, action) => { if (action.action === "open" && action.url) window.open(new URL(action.url, window.location.origin).toString(), "_blank", "noopener"); }} onInteraction={(idea, action, label) => recordCardInteraction(idea, action, label)} />
+        <DoneList ideas={visibleIdeas} topics={data.topics} projectId={projectId} onAction={(idea, action) => { if (action.action === "open" && action.url) window.open(new URL(action.url, window.location.origin).toString(), "_blank", "noopener"); }} onInteraction={(idea, action, label) => recordCardInteraction(idea, action, label)} />
       ) : active ? (
         <section className="radar-workspace">
           {jobInFlight && <span className="radar-working" role="status">Agency is working on this card</span>}
diff --git a/app/api/agent-jobs/route.ts b/app/api/agent-jobs/route.ts
index 1d86874..4c541a9 100644
--- a/app/api/agent-jobs/route.ts
+++ b/app/api/agent-jobs/route.ts
@@ -1,5 +1,7 @@
 import { env } from "cloudflare:workers";
 import { ensureDatabase } from "../../../db";
+import { invalidProject } from "../../../db/projects";
+import { parseProjectId } from "../../../lib/project";
 import { canUpdateJob, ideaStatusForOutcome, jobLeaseWindow, MAX_CONCURRENT_JOBS, resolveTicketOutcome, type StoredJobStatus, type TicketOutcome } from "../../../lib/job-lifecycle";
 
 function canUseQueue(request: Request) {
@@ -14,6 +16,10 @@ function canUseQueue(request: Request) {
 
 export async function GET(request: Request) {
   if (!canUseQueue(request)) return Response.json({ error: "Missing agent key" }, { status: 401 });
+  // `?project=<id>` narrows the queue to one project; without it every project's jobs are listed.
+  const requestedProject = new URL(request.url).searchParams.get("project");
+  const projectId = requestedProject ? parseProjectId(requestedProject) : null;
+  if (requestedProject && !projectId) return invalidProject();
   const db = await ensureDatabase();
   const leaseWindow = jobLeaseWindow();
   const jobs = await db.prepare(`
@@ -30,24 +36,26 @@ export async function GET(request: Request) {
       WHERE status = 'running' AND updated_at > datetime('now', ?)
     )
     SELECT
-      id,
-      idea_id AS ideaId,
-      action,
-      button_label AS buttonLabel,
-      instruction,
-      user_feedback AS userFeedback,
-      card_context AS cardContext,
-      ticket_outcome AS ticketOutcome,
+      j.id,
+      j.idea_id AS ideaId,
+      i.project_id AS projectId,
+      j.action,
+      j.button_label AS buttonLabel,
+      j.instruction,
+      j.user_feedback AS userFeedback,
+      j.card_context AS cardContext,
+      j.ticket_outcome AS ticketOutcome,
       'queued' AS status,
-      status = 'running' AS reclaimed,
-      created_at AS createdAt,
-      updated_at AS updatedAt
-    FROM latest_jobs
-    WHERE status = 'queued'
-      OR (status = 'running' AND updated_at <= datetime('now', ?))
-    ORDER BY status = 'running' ASC, id ASC
+      j.status = 'running' AS reclaimed,
+      j.created_at AS createdAt,
+      j.updated_at AS updatedAt
+    FROM latest_jobs j
+    LEFT JOIN ideas i ON i.id = j.idea_id
+    WHERE (j.status = 'queued' OR (j.status = 'running' AND j.updated_at <= datetime('now', ?)))
+      AND (? IS NULL OR i.project_id = ?)
+    ORDER BY j.status = 'running' ASC, j.id ASC
     LIMIT (SELECT slots FROM capacity)
-  `).bind(MAX_CONCURRENT_JOBS, leaseWindow, leaseWindow).all<{ id: number; ideaId: number } & Record<string, unknown>>();
+  `).bind(MAX_CONCURRENT_JOBS, leaseWindow, leaseWindow, projectId, projectId).all<{ id: number; ideaId: number } & Record<string, unknown>>();
   // Include earlier feedback and results so the agent can continue from context.
   const history = await Promise.all(jobs.results.map(async (job) => {
     const rows = await db.prepare(`
diff --git a/app/api/context/route.ts b/app/api/context/route.ts
index 6e7897b..d7dbfae 100644
--- a/app/api/context/route.ts
+++ b/app/api/context/route.ts
@@ -1,4 +1,6 @@
 import { ensureDatabase } from "../../../db";
+import { findProject, invalidProject, unknownProject } from "../../../db/projects";
+import { requestProjectId } from "../../../lib/project";
 import { MAX_CONTEXT_LENGTH } from "../../../lib/task-submission";
 
 function isSameOrigin(request: Request) {
@@ -8,10 +10,13 @@ function isSameOrigin(request: Request) {
 
 export async function POST(request: Request) {
   if (!isSameOrigin(request)) return Response.json({ error: "Blocked origin" }, { status: 403 });
-  const payload = (await request.json()) as { text?: string };
+  const payload = (await request.json()) as { text?: string; projectId?: string };
+  const projectId = requestProjectId(request, payload.projectId);
+  if (!projectId) return invalidProject();
   const text = payload.text?.trim() ?? "";
   if (!text || text.length > MAX_CONTEXT_LENGTH) return Response.json({ error: "Context must be 1–40000 characters." }, { status: 400 });
   const db = await ensureDatabase();
-  await db.prepare("INSERT INTO contexts (text) VALUES (?)").bind(text).run();
+  if (!(await findProject(db, projectId))) return unknownProject(projectId);
+  await db.prepare("INSERT INTO contexts (project_id, text) VALUES (?, ?)").bind(projectId, text).run();
   return Response.json({ ok: true }, { status: 201 });
 }
diff --git a/app/api/ideas/action/route.ts b/app/api/ideas/action/route.ts
index 2053194..e06e988 100644
--- a/app/api/ideas/action/route.ts
+++ b/app/api/ideas/action/route.ts
@@ -21,7 +21,7 @@ export async function POST(request: Request) {
   const note = payload.note?.trim().slice(0, 5000) ?? "";
   const activeMs = Math.max(0, Math.min(15_000, Math.round(Number(payload.activeMs ?? 0))));
   const db = await ensureDatabase();
-  const idea = await db.prepare("SELECT id, version, status, project, category, headline, card_html AS cardHtml, agent_context AS agentContext, score, rise_reach AS riseReach, rise_impact AS riseImpact, rise_strategic_fit AS riseStrategicFit, rise_ease AS riseEase, decision_estimate_ms AS decisionEstimateMs, decision_estimate_reason AS decisionEstimateReason, source_label AS sourceLabel, source_url AS sourceUrl, dedupe_key AS dedupeKey FROM ideas WHERE id = ? AND version = ? AND status = ?").bind(payload.id, payload.version, payload.status).first<{ id: number; version: number } & Record<string, unknown>>();
+  const idea = await db.prepare("SELECT id, version, status, project_id AS projectId, project, category, headline, card_html AS cardHtml, agent_context AS agentContext, score, rise_reach AS riseReach, rise_impact AS riseImpact, rise_strategic_fit AS riseStrategicFit, rise_ease AS riseEase, decision_estimate_ms AS decisionEstimateMs, decision_estimate_reason AS decisionEstimateReason, source_label AS sourceLabel, source_url AS sourceUrl, dedupe_key AS dedupeKey FROM ideas WHERE id = ? AND version = ? AND status = ?").bind(payload.id, payload.version, payload.status).first<{ id: number; version: number } & Record<string, unknown>>();
   if (!idea) {
     const current = await db.prepare("SELECT id FROM ideas WHERE id = ?").bind(payload.id).first();
     return current
diff --git a/app/api/ideas/route.ts b/app/api/ideas/route.ts
index b596947..677e276 100644
--- a/app/api/ideas/route.ts
+++ b/app/api/ideas/route.ts
@@ -1,10 +1,13 @@
 import { env } from "cloudflare:workers";
 import { ensureDatabase } from "../../../db";
+import { findProject, invalidProject, unknownProject } from "../../../db/projects";
 import { estimateDecisionTime } from "../../../lib/decision-time";
 import { calculateRiseScore, normalizeRise, type RiseBreakdown } from "../../../lib/rise";
 import { BLOCKED_CARD_UPDATE_SQL, cardIngestMode } from "../../../lib/blocked-card";
+import { requestProjectId } from "../../../lib/project";
 
 type NewCard = {
+  projectId?: string;
   project?: string;
   category?: string;
   headline?: string;
@@ -48,6 +51,8 @@ function unsafeHtml(html: string) {
 export async function POST(request: Request) {
   if (!canIngest(request)) return Response.json({ error: "Missing agent key" }, { status: 401 });
   const card = (await request.json()) as NewCard;
+  const projectId = requestProjectId(request, card.projectId);
+  if (!projectId) return invalidProject();
   const project = card.project?.trim() ?? "";
   const category = card.category?.trim() ?? "";
   const headline = card.headline?.trim() ?? "";
@@ -77,15 +82,18 @@ export async function POST(request: Request) {
     decisionEstimateReason: card.effortReason ?? card.decisionEstimateReason ?? "",
   });
   const db = await ensureDatabase();
+  if (!(await findProject(db, projectId))) return unknownProject(projectId);
   if (ingestMode === "blocked") {
     const result = await db.prepare(BLOCKED_CARD_UPDATE_SQL)
-      .bind(headline, cardHtml, context, dedupeKey, card.expectedVersion, card.blockedJobId).first();
+      .bind(headline, cardHtml, context, dedupeKey, projectId, card.expectedVersion, card.blockedJobId).first();
     if (!result) return Response.json({ error: "Blocked replacement is stale or does not match the card's latest failed/blocked job." }, { status: 409 });
     // Preserve status, ranking, timestamps, and the terminal blocked outcome.
     return Response.json({ ok: true, idea: result, blocked: true }, { status: 201 });
   }
-  const result = await db.prepare("INSERT INTO ideas (project, category, headline, why_matters, impact, finished_work, primary_action, secondary_action, external_action, card_html, agent_context, score, rise_reach, rise_impact, rise_strategic_fit, rise_ease, decision_estimate_ms, decision_estimate_reason, source_label, source_url, agent_name, preview_kind, preview_title, preview_body, preview_asset, dedupe_key) VALUES (?, ?, ?, '', '', '', '', '', '', ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 'html', '', '', '', ?) ON CONFLICT(dedupe_key) DO UPDATE SET project=excluded.project, category=excluded.category, headline=excluded.headline, card_html=excluded.card_html, agent_context=excluded.agent_context, score=excluded.score, rise_reach=excluded.rise_reach, rise_impact=excluded.rise_impact, rise_strategic_fit=excluded.rise_strategic_fit, rise_ease=excluded.rise_ease, decision_estimate_ms=excluded.decision_estimate_ms, decision_estimate_reason=excluded.decision_estimate_reason, source_label=excluded.source_label, source_url=excluded.source_url, agent_name=excluded.agent_name, version=ideas.version+1, status='new', created_at=CURRENT_TIMESTAMP RETURNING id, version")
-    .bind(project, category, headline, cardHtml, context, score, rise.reach, rise.impact, rise.strategicFit, rise.ease, decisionEstimate.estimatedMs ?? 0, decisionEstimate.reason, card.sourceLabel?.trim() ?? "", card.sourceUrl?.trim() ?? "", card.agentName?.trim() ?? "Agency", dedupeKey).first();
+  const result = await db.prepare("INSERT INTO ideas (project_id, project, category, headline, why_matters, impact, finished_work, primary_action, secondary_action, external_action, card_html, agent_context, score, rise_reach, rise_impact, rise_strategic_fit, rise_ease, decision_estimate_ms, decision_estimate_reason, source_label, source_url, agent_name, preview_kind, preview_title, preview_body, preview_asset, dedupe_key) VALUES (?, ?, ?, ?, '', '', '', '', '', '', ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 'html', '', '', '', ?) ON CONFLICT(dedupe_key) DO UPDATE SET project=excluded.project, category=excluded.category, headline=excluded.headline, card_html=excluded.card_html, agent_context=excluded.agent_context, score=excluded.score, rise_reach=excluded.rise_reach, rise_impact=excluded.rise_impact, rise_strategic_fit=excluded.rise_strategic_fit, rise_ease=excluded.rise_ease, decision_estimate_ms=excluded.decision_estimate_ms, decision_estimate_reason=excluded.decision_estimate_reason, source_label=excluded.source_label, source_url=excluded.source_url, agent_name=excluded.agent_name, version=ideas.version+1, status='new', created_at=CURRENT_TIMESTAMP WHERE ideas.project_id = excluded.project_id RETURNING id, version")
+    .bind(projectId, project, category, headline, cardHtml, context, score, rise.reach, rise.impact, rise.strategicFit, rise.ease, decisionEstimate.estimatedMs ?? 0, decisionEstimate.reason, card.sourceLabel?.trim() ?? "", card.sourceUrl?.trim() ?? "", card.agentName?.trim() ?? "Agency", dedupeKey).first();
+  // The upsert skips a dedupeKey owned by another project instead of moving that card.
+  if (!result) return Response.json({ error: "This dedupeKey belongs to a card in another project. Prefix dedupe keys with the project id." }, { status: 409 });
   // A replacement card answers a blocked job: mark that job as review so the
   // startup reconcile does not drag the fresh card back to Working forever.
   const replacedId = (result as { id?: number } | null)?.id;
diff --git a/app/api/projects/route.ts b/app/api/projects/route.ts
new file mode 100644
index 0000000..7d7f487
--- /dev/null
+++ b/app/api/projects/route.ts
@@ -0,0 +1,63 @@
+import { ensureDatabase } from "../../../db";
+import { findProject, invalidProject, listProjects } from "../../../db/projects";
+import { DEFAULT_PROJECT_ID, MAX_PROJECT_LABEL_LENGTH, parseProjectId, projectSlug } from "../../../lib/project";
+
+function canWrite(request: Request) {
+  const origin = request.headers.get("origin");
+  if (origin) return origin === new URL(request.url).origin;
+  return request.headers.get("x-radar-local-agent") === "1";
+}
+
+export async function GET() {
+  const db = await ensureDatabase();
+  return Response.json({ projects: await listProjects(db) });
+}
+
+/** Create a project, or rename one by passing its existing id. Agents may call this too. */
+export async function POST(request: Request) {
+  if (!canWrite(request)) return Response.json({ error: "Blocked origin" }, { status: 403 });
+  const payload = (await request.json()) as { id?: string; label?: string };
+  const label = payload.label?.trim().slice(0, MAX_PROJECT_LABEL_LENGTH) ?? "";
+  if (!label) return Response.json({ error: "A project needs a name." }, { status: 400 });
+  const explicitId = payload.id !== undefined && payload.id !== "";
+  const id = explicitId ? parseProjectId(payload.id) : parseProjectId(projectSlug(label));
+  if (!id) return invalidProject();
+  const db = await ensureDatabase();
+  if (explicitId) {
+    await db.prepare(`
+      INSERT INTO projects (id, label, position)
+      VALUES (?, ?, (SELECT COALESCE(MAX(position), 0) + 1 FROM projects))
+      ON CONFLICT(id) DO UPDATE SET label = excluded.label
+    `).bind(id, label).run();
+    return Response.json({ ok: true, id }, { status: 201 });
+  }
+  // Without an id this is a create: never rename an existing project by accident.
+  const created = await db.prepare(`
+    INSERT INTO projects (id, label, position)
+    VALUES (?, ?, (SELECT COALESCE(MAX(position), 0) + 1 FROM projects))
+    ON CONFLICT(id) DO NOTHING
+    RETURNING id
+  `).bind(id, label).first<{ id: string }>();
+  if (!created) return Response.json({ error: `A project with the id "${id}" already exists.` }, { status: 409 });
+  return Response.json({ ok: true, id }, { status: 201 });
+}
+
+/** Delete an empty project with its dream history and topics. Projects with cards are kept. */
+export async function DELETE(request: Request) {
+  if (!canWrite(request)) return Response.json({ error: "Blocked origin" }, { status: 403 });
+  const id = parseProjectId(new URL(request.url).searchParams.get("id"));
+  if (!id) return invalidProject();
+  if (id === DEFAULT_PROJECT_ID) return Response.json({ error: "The default project cannot be removed." }, { status: 400 });
+  const db = await ensureDatabase();
+  const project = await findProject(db, id);
+  if (!project) return Response.json({ ok: true });
+  if (project.cards > 0) {
+    return Response.json({ error: `This project still has ${project.cards} cards. Only empty projects can be removed.` }, { status: 409 });
+  }
+  await db.batch([
+    db.prepare("DELETE FROM topics WHERE project_id = ?").bind(id),
+    db.prepare("DELETE FROM contexts WHERE project_id = ?").bind(id),
+    db.prepare("DELETE FROM projects WHERE id = ? AND NOT EXISTS (SELECT 1 FROM ideas WHERE project_id = ?)").bind(id, id),
+  ]);
+  return Response.json({ ok: true });
+}
diff --git a/app/api/state/route.ts b/app/api/state/route.ts
index 1215577..fb8ee13 100644
--- a/app/api/state/route.ts
+++ b/app/api/state/route.ts
@@ -1,8 +1,10 @@
 import { ensureDatabase } from "../../../db";
+import { findProject, invalidProject, listProjects, unknownProject } from "../../../db/projects";
 import { parseTopicRow } from "../../../lib/card-cluster";
 import { summarizeDecisionMetrics } from "../../../lib/decision-metrics";
 import { estimateDecisionTime, type DecisionCardInput } from "../../../lib/decision-time";
 import { jobLeaseWindow } from "../../../lib/job-lifecycle";
+import { requestProjectId } from "../../../lib/project";
 
 type IdeaRow = DecisionCardInput & Record<string, unknown>;
 type DecisionHistoryRow = DecisionCardInput & {
@@ -32,7 +34,7 @@ const DECISION_HISTORY_SQL = `
       ) AS firstActionMs
     FROM card_attention a
     JOIN ideas i ON i.id = a.idea_id
-    WHERE a.decision_source = 'user' AND (
+    WHERE i.project_id = ? AND a.decision_source = 'user' AND (
       (a.decided_at IS NOT NULL AND a.decided_at >= datetime('now', '-48 hours'))
       OR (a.decided_at IS NULL AND EXISTS (
         SELECT 1 FROM card_interactions recent_interaction
@@ -43,19 +45,24 @@ const DECISION_HISTORY_SQL = `
     )
   `;
 
-// Cache recent decision metrics across the frequent feed polls.
+// Cache recent decision metrics per project across the frequent feed polls.
 const DECISION_CACHE_MS = 30_000;
-let decisionCache: { at: number; rows: { results: DecisionHistoryRow[] } } | null = null;
+const decisionCache = new Map<string, { at: number; rows: { results: DecisionHistoryRow[] } }>();
 
-async function cachedDecisionRows(db: Awaited<ReturnType<typeof ensureDatabase>>) {
-  if (decisionCache && Date.now() - decisionCache.at < DECISION_CACHE_MS) return decisionCache.rows;
-  const rows = await db.prepare(DECISION_HISTORY_SQL).all<DecisionHistoryRow>();
-  decisionCache = { at: Date.now(), rows };
+async function cachedDecisionRows(db: Awaited<ReturnType<typeof ensureDatabase>>, projectId: string) {
+  const cached = decisionCache.get(projectId);
+  if (cached && Date.now() - cached.at < DECISION_CACHE_MS) return cached.rows;
+  const rows = await db.prepare(DECISION_HISTORY_SQL).bind(projectId).all<DecisionHistoryRow>();
+  decisionCache.set(projectId, { at: Date.now(), rows });
   return rows;
 }
 
 export async function GET(request: Request) {
+  const projectId = requestProjectId(request);
+  if (!projectId) return invalidProject();
   const db = await ensureDatabase();
+  const project = await findProject(db, projectId);
+  if (!project) return unknownProject(projectId);
   const leaseWindow = jobLeaseWindow();
   const url = new URL(request.url);
   const requestedView = url.searchParams.get("view");
@@ -66,8 +73,8 @@ export async function GET(request: Request) {
   const light = url.searchParams.get("light") === "1";
   const requestedOnlyId = Number(url.searchParams.get("only"));
   const onlyId = Number.isInteger(requestedOnlyId) && requestedOnlyId > 0 ? requestedOnlyId : null;
-  const context = await db.prepare("SELECT text, created_at AS createdAt FROM contexts ORDER BY id DESC LIMIT 1").first();
-  const topicRows = await db.prepare("SELECT id, label, hint FROM topics ORDER BY position, created_at").all<{ id: string; label: string; hint: string }>();
+  const context = await db.prepare("SELECT text, created_at AS createdAt FROM contexts WHERE project_id = ? ORDER BY id DESC LIMIT 1").bind(projectId).first();
+  const topicRows = await db.prepare("SELECT id, label, hint FROM topics WHERE project_id = ? ORDER BY position, created_at").bind(projectId).all<{ id: string; label: string; hint: string }>();
   const ideas = await db.prepare(`
     WITH visible_ideas AS (
       SELECT
@@ -111,12 +118,12 @@ export async function GET(request: Request) {
         SELECT MAX(latest.id) FROM agent_jobs latest WHERE latest.idea_id = i.id
       )
       LEFT JOIN card_attention a ON a.idea_id = i.id AND a.idea_version = i.version AND a.decision_source = 'user'
-      WHERE i.card_html != '' AND i.status IN ('new', 'working', 'done')
+      WHERE i.project_id = ? AND i.card_html != '' AND i.status IN ('new', 'working', 'done')
     )
     SELECT * FROM visible_ideas
     WHERE (status = ? OR (? IS NOT NULL AND id = ?)) AND (? IS NULL OR id = ?)
     ORDER BY score DESC, id DESC
-  `).bind(light && !onlyId ? 1 : 0, leaseWindow, view, selectedCardId, selectedCardId, onlyId, onlyId).all<IdeaRow>();
+  `).bind(light && !onlyId ? 1 : 0, leaseWindow, projectId, view, selectedCardId, selectedCardId, onlyId, onlyId).all<IdeaRow>();
   const laneRows = await db.prepare(`
     WITH latest_jobs AS (
       SELECT job.*
@@ -131,9 +138,9 @@ export async function GET(request: Request) {
       COUNT(*) AS total
     FROM ideas i
     LEFT JOIN latest_jobs ON latest_jobs.idea_id = i.id
-    WHERE i.card_html != '' AND i.status IN ('new', 'working', 'done')
+    WHERE i.project_id = ? AND i.card_html != '' AND i.status IN ('new', 'working', 'done')
     GROUP BY 1
-  `).all<{ status: string; total: number }>();
+  `).bind(projectId).all<{ status: string; total: number }>();
   const jobs = await db.prepare(`
     WITH latest_jobs AS (
       SELECT job.*
@@ -145,14 +152,15 @@ export async function GET(request: Request) {
     )
     SELECT
       CASE
-        WHEN status = 'running' AND updated_at <= datetime('now', ?) THEN 'queued'
-        ELSE status
+        WHEN latest_jobs.status = 'running' AND latest_jobs.updated_at <= datetime('now', ?) THEN 'queued'
+        ELSE latest_jobs.status
       END AS status,
       COUNT(*) AS total
     FROM latest_jobs
-    WHERE status IN ('queued', 'running')
+    JOIN ideas i ON i.id = latest_jobs.idea_id
+    WHERE latest_jobs.status IN ('queued', 'running') AND i.project_id = ?
     GROUP BY 1
-  `).bind(leaseWindow).all<{ status: string; total: number }>();
+  `).bind(leaseWindow, projectId).all<{ status: string; total: number }>();
   const completionStats = await db.prepare(`
     WITH latest_jobs AS (
       SELECT job.*
@@ -172,8 +180,9 @@ export async function GET(request: Request) {
       SUM(CASE WHEN i.status = 'rejected' THEN 1 ELSE 0 END) AS dismissed
     FROM ideas i
     LEFT JOIN latest_jobs ON latest_jobs.idea_id = i.id
-  `).first<{ verified: number | null; legacy: number | null; reviewReady: number | null; dismissed: number | null; points: number | null; pointsToday: number | null; verifiedToday: number | null }>();
-  const decisionRows = await cachedDecisionRows(db);
+    WHERE i.project_id = ?
+  `).bind(projectId).first<{ verified: number | null; legacy: number | null; reviewReady: number | null; dismissed: number | null; points: number | null; pointsToday: number | null; verifiedToday: number | null }>();
+  const decisionRows = await cachedDecisionRows(db, projectId);
   const enrichedIdeas = ideas.results.map((idea) => {
     const estimate = estimateDecisionTime(idea);
     return {
@@ -189,6 +198,8 @@ export async function GET(request: Request) {
   const jobCounts = Object.fromEntries(jobs.results.map((row) => [row.status, row.total]));
   const laneCounts = Object.fromEntries(laneRows.results.map((row) => [row.status, row.total]));
   return Response.json({
+    project,
+    projects: await listProjects(db),
     context,
     topics: topicRows.results.map(parseTopicRow),
     ideas: enrichedIdeas,
diff --git a/app/api/stats/route.ts b/app/api/stats/route.ts
index 194b9e4..328b7cc 100644
--- a/app/api/stats/route.ts
+++ b/app/api/stats/route.ts
@@ -1,4 +1,6 @@
 import { ensureDatabase } from "../../../db";
+import { findProject, invalidProject, unknownProject } from "../../../db/projects";
+import { requestProjectId } from "../../../lib/project";
 import { clusterForCard, parseTopicRow, type Topic } from "../../../lib/card-cluster";
 import { impactPoints } from "../../../lib/rise";
 import { PARKED_DECISION_MS } from "../../../lib/decision-metrics";
@@ -33,8 +35,12 @@ function emptyBucket() {
 }
 
 export async function GET(request: Request) {
+  const projectId = requestProjectId(request);
+  if (!projectId) return invalidProject();
   const db = await ensureDatabase();
-  const topicRows = await db.prepare("SELECT id, label, hint FROM topics ORDER BY position, created_at").all<{ id: string; label: string; hint: string }>();
+  const project = await findProject(db, projectId);
+  if (!project) return unknownProject(projectId);
+  const topicRows = await db.prepare("SELECT id, label, hint FROM topics WHERE project_id = ? ORDER BY position, created_at").bind(projectId).all<{ id: string; label: string; hint: string }>();
   const topics: Topic[] = topicRows.results.map(parseTopicRow);
   const days = Math.max(1, Math.min(365, Number(new URL(request.url).searchParams.get("days")) || 30));
   const since = `-${days} days`;
@@ -42,9 +48,9 @@ export async function GET(request: Request) {
     SELECT a.idea_id AS ideaId, i.category, i.project, i.headline, a.decision_action AS decisionAction, a.decision_label AS decisionLabel,
            a.active_ms AS activeMs, a.wall_ms AS wallMs, a.decided_at AS decidedAt, i.score
     FROM card_attention a JOIN ideas i ON i.id = a.idea_id
-    WHERE a.decision_source = 'user' AND a.decision_action IN ('do','change','no') AND a.decided_at >= datetime('now', ?)
+    WHERE a.decision_source = 'user' AND a.decision_action IN ('do','change','no') AND a.decided_at >= datetime('now', ?) AND i.project_id = ?
     ORDER BY a.decided_at DESC
-  `).bind(since).all<DecisionRow>();
+  `).bind(since, projectId).all<DecisionRow>();
   const cards = await db.prepare(`
     WITH latest_jobs AS (
       SELECT job.* FROM agent_jobs job
@@ -52,8 +58,8 @@ export async function GET(request: Request) {
     )
     SELECT i.id, i.category, i.project, i.headline, i.status, i.score, i.rise_impact AS riseImpact, latest_jobs.ticket_outcome AS outcome, i.created_at AS createdAt
     FROM ideas i LEFT JOIN latest_jobs ON latest_jobs.idea_id = i.id
-    WHERE i.card_html != '' AND i.status IN ('new','working','done','rejected')
-  `).all<CardRow>();
+    WHERE i.card_html != '' AND i.status IN ('new','working','done','rejected') AND i.project_id = ?
+  `).bind(projectId).all<CardRow>();
 
   type ClusterBucket = ReturnType<typeof emptyBucket> & { open: number; done: number; rejected: number; donePoints: number };
   const byCluster: Record<string, ClusterBucket> = {};
@@ -112,6 +118,7 @@ export async function GET(request: Request) {
     .toSorted((a, b) => b.doRate - a.doRate || b.decided - a.decided);
   const recent = decisions.results.slice(0, 40).map((r) => ({ ideaId: r.ideaId, headline: r.headline, action: r.decisionAction, activeMs: r.activeMs, decidedAt: r.decidedAt, cluster: clusterForCard(r, topics) }));
   return Response.json({
+    project: { id: project.id, label: project.label },
     days,
     total: { ...finish(total), likedPoints: total.likedPoints, donePoints, points: donePoints },
     clusters,
diff --git a/app/api/tasks/route.ts b/app/api/tasks/route.ts
index 5e5a22f..6ffe31e 100644
--- a/app/api/tasks/route.ts
+++ b/app/api/tasks/route.ts
@@ -1,4 +1,6 @@
 import { ensureDatabase } from "../../../db";
+import { findProject, invalidProject, unknownProject } from "../../../db/projects";
+import { requestProjectId } from "../../../lib/project";
 import { MAX_CONTEXT_LENGTH, MAX_TASK_LENGTH } from "../../../lib/task-submission";
 
 function isSameOrigin(request: Request) {
@@ -26,33 +28,38 @@ function taskCard(task: string) {
 
 export async function POST(request: Request) {
   if (!isSameOrigin(request)) return Response.json({ error: "Blocked origin" }, { status: 403 });
-  const payload = (await request.json()) as { task?: string; context?: string };
+  const payload = (await request.json()) as { task?: string; context?: string; projectId?: string };
+  const projectId = requestProjectId(request, payload.projectId);
+  if (!projectId) return invalidProject();
   const task = payload.task?.trim() ?? "";
   const context = payload.context?.trim() ?? "";
   if (!task || task.length > MAX_TASK_LENGTH) return Response.json({ error: "Task must be 1–5000 characters." }, { status: 400 });
   if (context.length > MAX_CONTEXT_LENGTH) return Response.json({ error: "Context must be at most 40000 characters." }, { status: 400 });
 
   const db = await ensureDatabase();
-  const latestContext = await db.prepare("SELECT text FROM contexts ORDER BY id DESC LIMIT 1").first<{ text: string }>();
+  const project = await findProject(db, projectId);
+  if (!project) return unknownProject(projectId);
+  const latestContext = await db.prepare("SELECT text FROM contexts WHERE project_id = ? ORDER BY id DESC LIMIT 1").bind(projectId).first<{ text: string }>();
   if (context && context !== latestContext?.text) {
-    await db.prepare("INSERT INTO contexts (text) VALUES (?)").bind(context).run();
+    await db.prepare("INSERT INTO contexts (project_id, text) VALUES (?, ?)").bind(projectId, context).run();
   }
 
   const taskKey = `user-task-${crypto.randomUUID()}`;
   const headline = task.replace(/\s+/g, " ").slice(0, 180);
   const agentContext = JSON.stringify({
     kind: "user_task",
+    projectId,
     task,
     generalContext: context || latestContext?.text || "",
     source: "Agency New Task",
   });
-  const idea = await db.prepare("INSERT INTO ideas (project, category, headline, why_matters, impact, finished_work, primary_action, secondary_action, external_action, card_html, agent_context, score, rise_reach, rise_impact, rise_strategic_fit, rise_ease, source_label, source_url, agent_name, preview_kind, preview_title, preview_body, preview_asset, dedupe_key, status) VALUES ('Agency', 'Quick task', ?, '', '', '', '', '', '', ?, ?, 0, 0, 0, 0, 0, 'User-created task', '', 'Agency · Task Runner', 'html', '', '', '', ?, 'working') RETURNING id, project, category, headline, card_html AS cardHtml, agent_context AS agentContext, source_label AS sourceLabel, source_url AS sourceUrl, dedupe_key AS dedupeKey")
-    .bind(headline, taskCard(task), agentContext, taskKey).first();
+  const idea = await db.prepare("INSERT INTO ideas (project_id, project, category, headline, why_matters, impact, finished_work, primary_action, secondary_action, external_action, card_html, agent_context, score, rise_reach, rise_impact, rise_strategic_fit, rise_ease, source_label, source_url, agent_name, preview_kind, preview_title, preview_body, preview_asset, dedupe_key, status) VALUES (?, ?, 'Quick task', ?, '', '', '', '', '', '', ?, ?, 0, 0, 0, 0, 0, 'User-created task', '', 'Agency · Task Runner', 'html', '', '', '', ?, 'working') RETURNING id, project_id AS projectId, project, category, headline, card_html AS cardHtml, agent_context AS agentContext, source_label AS sourceLabel, source_url AS sourceUrl, dedupe_key AS dedupeKey")
+    .bind(projectId, project.label, headline, taskCard(task), agentContext, taskKey).first();
   if (!idea?.id) return Response.json({ error: "Task card could not be created." }, { status: 500 });
 
   const cardContext = JSON.stringify({
     idea,
-    task: { request: task, generalContext: context || latestContext?.text || "", source: "New Task" },
+    task: { projectId, request: task, generalContext: context || latestContext?.text || "", source: "New Task" },
     click: { action: "task", label: "New Task", instruction: task, note: "" },
   });
   const job = await db.prepare("INSERT INTO agent_jobs (idea_id, action, button_label, instruction, user_feedback, card_context) VALUES (?, 'task', 'New Task', ?, '', ?) RETURNING id")
diff --git a/app/api/topics/route.ts b/app/api/topics/route.ts
index 90d2d99..4f7aeb7 100644
--- a/app/api/topics/route.ts
+++ b/app/api/topics/route.ts
@@ -1,4 +1,6 @@
 import { ensureDatabase } from "../../../db";
+import { findProject, invalidProject, unknownProject } from "../../../db/projects";
+import { requestProjectId } from "../../../lib/project";
 import { parseTopicRow } from "../../../lib/card-cluster";
 
 function isSameOrigin(request: Request) {
@@ -10,35 +12,42 @@ function slug(label: string) {
   return label.toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/^-+|-+$/g, "").slice(0, 40) || "topic";
 }
 
-export async function GET() {
+export async function GET(request: Request) {
+  const projectId = requestProjectId(request);
+  if (!projectId) return invalidProject();
   const db = await ensureDatabase();
-  const rows = await db.prepare("SELECT id, label, hint FROM topics ORDER BY position, created_at").all<{ id: string; label: string; hint: string }>();
+  const rows = await db.prepare("SELECT id, label, hint FROM topics WHERE project_id = ? ORDER BY position, created_at").bind(projectId).all<{ id: string; label: string; hint: string }>();
   return Response.json({ topics: rows.results.map(parseTopicRow) });
 }
 
 /** Create or update a topic. Agents may call this too (same loopback rule as cards). */
 export async function POST(request: Request) {
   if (!isSameOrigin(request) && request.headers.get("x-radar-local-agent") !== "1") return Response.json({ error: "Blocked origin" }, { status: 403 });
-  const payload = (await request.json()) as { id?: string; label?: string; hint?: string };
+  const payload = (await request.json()) as { id?: string; label?: string; hint?: string; projectId?: string };
+  const projectId = requestProjectId(request, payload.projectId);
+  if (!projectId) return invalidProject();
   const label = payload.label?.trim().slice(0, 40) ?? "";
   if (!label) return Response.json({ error: "A topic needs a label." }, { status: 400 });
   const id = (payload.id?.trim() || slug(label)).slice(0, 40);
   const hint = payload.hint?.trim().slice(0, 120) ?? "";
   const db = await ensureDatabase();
+  if (!(await findProject(db, projectId))) return unknownProject(projectId);
   await db.prepare(`
-    INSERT INTO topics (id, label, hint, position)
-    VALUES (?, ?, ?, (SELECT COALESCE(MAX(position), 0) + 1 FROM topics))
-    ON CONFLICT(id) DO UPDATE SET label = excluded.label, hint = excluded.hint
-  `).bind(id, label, hint).run();
+    INSERT INTO topics (project_id, id, label, hint, position)
+    VALUES (?, ?, ?, ?, (SELECT COALESCE(MAX(position), 0) + 1 FROM topics WHERE project_id = ?))
+    ON CONFLICT(project_id, id) DO UPDATE SET label = excluded.label, hint = excluded.hint
+  `).bind(projectId, id, label, hint, projectId).run();
   return Response.json({ ok: true, id }, { status: 201 });
 }
 
 /** Delete a topic. Cards keep their category text; they simply show under All until refiled. */
 export async function DELETE(request: Request) {
   if (!isSameOrigin(request) && request.headers.get("x-radar-local-agent") !== "1") return Response.json({ error: "Blocked origin" }, { status: 403 });
+  const projectId = requestProjectId(request);
+  if (!projectId) return invalidProject();
   const id = new URL(request.url).searchParams.get("id")?.trim() ?? "";
   if (!id) return Response.json({ error: "Missing id" }, { status: 400 });
   const db = await ensureDatabase();
-  await db.prepare("DELETE FROM topics WHERE id = ?").bind(id).run();
+  await db.prepare("DELETE FROM topics WHERE project_id = ? AND id = ?").bind(projectId, id).run();
   return Response.json({ ok: true });
 }
diff --git a/app/globals.css b/app/globals.css
index 119a6ea..18468d2 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -310,3 +310,16 @@ footer.radar-footer i { width: 6px; height: 6px; margin-right: 4px; border-radiu
 .settings-editor label span { color: var(--ink-3); font-weight: 600; }
 .settings-editor input { min-height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); font: inherit; font-size: .88rem; }
 .settings-editor input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91,79,233,.12); }
+
+/* Project switcher: one select in the top bar, Settings and the first-run screen. */
+.radar-project { max-width: min(220px, 36vw); min-height: 36px; padding: 0 30px 0 14px; border: 0; border-radius: 999px; background: #eceae4 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%235a5850' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center; color: var(--ink); font: inherit; font-size: .82rem; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; appearance: none; cursor: pointer; transition: background-color .15s; }
+.radar-project:hover { background-color: #e3e0d8; }
+.radar-project:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(91,79,233,.18); }
+.radar-first-run-project { display: flex; justify-content: center; }
+.settings-error { margin: 0 0 14px; padding: 10px 14px; border-radius: 12px; background: #fdecea; color: #c0392b; font-size: .82rem; font-weight: 600; }
+.settings-editor small { grid-column: 2; color: var(--ink-3); font-size: .74rem; }
+@media (max-width: 640px) {
+  /* The lanes and card chips keep their row; the switcher takes its own row above them. */
+  .radar-bar-left { grid-column: 1 / -1; }
+  .radar-project { max-width: 100%; }
+}
diff --git a/app/settings/page.tsx b/app/settings/page.tsx
index 11c3932..046821c 100644
--- a/app/settings/page.tsx
+++ b/app/settings/page.tsx
@@ -3,60 +3,134 @@
 import Link from "next/link";
 import { useEffect, useState } from "react";
 import type { Topic } from "../../lib/card-cluster";
+import { DEFAULT_PROJECT_ID, MAX_PROJECT_LABEL_LENGTH, projectHref, projectSlug, readActiveProject, rememberActiveProject, type Project } from "../../lib/project";
 
 type Draft = { id?: string; label: string; hint: string };
+type ProjectDraft = { id?: string; label: string };
+
+/** Returns the server's error message, or null when the write succeeded. */
+async function send(url: string, init: RequestInit) {
+  const response = await fetch(url, { ...init, headers: { "content-type": "application/json" } });
+  if (response.ok) return { error: null, result: await response.json().catch(() => null) as { id?: string } | null };
+  const result = await response.json().catch(() => null) as { error?: string } | null;
+  return { error: result?.error || "That did not save. Try again.", result: null };
+}
 
 export default function SettingsPage() {
+  const [projectId, setProjectId] = useState(readActiveProject);
+  const [projects, setProjects] = useState<Project[]>([]);
   const [dream, setDream] = useState("");
   const [savedDream, setSavedDream] = useState("");
   const [topics, setTopics] = useState<Topic[]>([]);
   const [editing, setEditing] = useState<Draft | null>(null);
+  const [editingProject, setEditingProject] = useState<ProjectDraft | null>(null);
+  const [error, setError] = useState("");
   const [busy, setBusy] = useState(false);
+  const [reload, setReload] = useState(0);
 
-  function load() {
-    return Promise.all([
-      fetch("/api/state?view=working&light=1", { cache: "no-store" }).then((r) => r.json()),
-      fetch("/api/topics", { cache: "no-store" }).then((r) => r.json()),
-    ]).then(([state, list]) => {
+  useEffect(() => {
+    rememberActiveProject(projectId);
+    const url = new URL(window.location.href);
+    if (projectId === DEFAULT_PROJECT_ID) url.searchParams.delete("project");
+    else url.searchParams.set("project", projectId);
+    window.history.replaceState(null, "", url);
+  }, [projectId]);
+
+  useEffect(() => {
+    let cancelled = false;
+    const query = `project=${encodeURIComponent(projectId)}`;
+    void Promise.all([
+      fetch(`/api/state?view=working&light=1&${query}`, { cache: "no-store" }),
+      fetch(`/api/topics?${query}`, { cache: "no-store" }).then((r) => r.json()),
+      fetch("/api/projects", { cache: "no-store" }).then((r) => r.json()),
+    ]).then(async ([stateResponse, list, projectList]) => {
+      if (cancelled) return;
+      setProjects(projectList.projects ?? []);
+      if (stateResponse.status === 404 && projectId !== DEFAULT_PROJECT_ID) return setProjectId(DEFAULT_PROJECT_ID);
+      const state = await stateResponse.json();
+      if (cancelled) return;
       const text = state.context?.text ?? "";
       setDream(text); setSavedDream(text); setTopics(list.topics ?? []);
     });
+    return () => { cancelled = true; };
+  }, [projectId, reload]);
+
+  function refresh() {
+    setReload((count) => count + 1);
+  }
+  function selectProject(next: string) {
+    setEditing(null); setEditingProject(null); setError("");
+    setProjectId(next);
   }
-  useEffect(() => { void load(); }, []);
 
   async function saveDream() {
     const text = dream.trim();
     if (!text || text === savedDream.trim()) return;
     setBusy(true);
-    await fetch("/api/context", { method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify({ text }) });
-    setSavedDream(text); setBusy(false);
+    const { error: failure } = await send("/api/context", { method: "POST", body: JSON.stringify({ text, projectId }) });
+    setError(failure ?? "");
+    if (!failure) setSavedDream(text);
+    setBusy(false);
   }
   async function saveTopic() {
     if (!editing || !editing.label.trim()) return;
     setBusy(true);
-    await fetch("/api/topics", { method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify(editing) });
-    setEditing(null); await load(); setBusy(false);
+    const { error: failure } = await send("/api/topics", { method: "POST", body: JSON.stringify({ ...editing, projectId }) });
+    setError(failure ?? "");
+    if (!failure) { setEditing(null); refresh(); }
+    setBusy(false);
   }
   async function removeTopic(id: string) {
     if (!window.confirm("Remove this topic? Its cards stay and show under All until they are refiled.")) return;
     setBusy(true);
-    await fetch(`/api/topics?id=${encodeURIComponent(id)}`, { method: "DELETE" });
-    await load(); setBusy(false);
+    const { error: failure } = await send(`/api/topics?project=${encodeURIComponent(projectId)}&id=${encodeURIComponent(id)}`, { method: "DELETE" });
+    setError(failure ?? "");
+    refresh(); setBusy(false);
+  }
+  async function saveProject() {
+    if (!editingProject || !editingProject.label.trim()) return;
+    setBusy(true);
+    const creating = !editingProject.id;
+    const { error: failure, result } = await send("/api/projects", { method: "POST", body: JSON.stringify(editingProject) });
+    setError(failure ?? "");
+    setBusy(false);
+    if (failure) return;
+    setEditingProject(null);
+    if (creating && result?.id) selectProject(result.id);
+    else refresh();
+  }
+  async function removeProject(id: string) {
+    if (!window.confirm("Remove this empty project, its dream and its topics?")) return;
+    setBusy(true);
+    const { error: failure } = await send(`/api/projects?id=${encodeURIComponent(id)}`, { method: "DELETE" });
+    setError(failure ?? "");
+    setBusy(false);
+    if (!failure && id === projectId) selectProject(DEFAULT_PROJECT_ID);
+    else refresh();
   }
 
+  // Server and first client render have no projects yet, so anything project-specific renders from `project`.
+  const project = projects.find((item) => item.id === projectId);
+  const homeHref = projectHref("/", project?.id ?? DEFAULT_PROJECT_ID);
   const dreamChanged = dream.trim() !== savedDream.trim();
   return (
     <main className="stats-shell settings-shell">
       <header className="stats-header">
-        <Link href="/" className="stats-back">← Back</Link>
+        <Link href={homeHref} className="stats-back">← Back</Link>
         <h1 className="settings-title">Settings</h1>
-        <span />
+        {projects.length ? (
+          <select className="radar-project" aria-label="Project" value={projectId} onChange={(event) => selectProject(event.target.value)}>
+            {projects.map((item) => <option key={item.id} value={item.id}>{item.label}</option>)}
+          </select>
+        ) : <span />}
       </header>
 
+      {error && <p className="settings-error" role="alert">{error}</p>}
+
       <section className="settings-block">
         <div className="settings-head">
-          <h2>My dream</h2>
-          <p>Your goals and priorities. Your coding agent reads this before finding ideas and keeps its private profile up to date. Edit it whenever your priorities change.</p>
+          <h2>{project ? `Dream for ${project.label}` : "My dream"}</h2>
+          <p>This project&rsquo;s goals and priorities. Your coding agent reads this before finding ideas and keeps <code>projects/{project?.id ?? "<id>"}/me.md</code> in step with it. Edit it whenever your priorities change.</p>
         </div>
         <textarea className="settings-dream" value={dream} onChange={(event) => setDream(event.target.value)} placeholder="What you are aiming at, what to keep monitoring, what to leave alone." />
         <div className="settings-actions">
@@ -67,7 +141,7 @@ export default function SettingsPage() {
       <section className="settings-block">
         <div className="settings-head">
           <h2>Topics</h2>
-          <p>Name a topic and describe it. Your agent uses these topics when making cards.</p>
+          <p>Name a topic and describe it. Each project has its own topics. Your agent uses them when making cards.</p>
         </div>
         <ul className="settings-topics">
           {topics.map((t) => (
@@ -96,6 +170,43 @@ export default function SettingsPage() {
           <div className="settings-actions"><button className="is-dark" onClick={() => setEditing({ label: "", hint: "" })}>Add topic</button></div>
         )}
       </section>
+
+      <section className="settings-block" id="projects">
+        <div className="settings-head">
+          <h2>Projects</h2>
+          <p>Each project keeps its own dream, topics, cards and stats. Your voice and preferences in <code>me.md</code> apply to all of them.</p>
+        </div>
+        <ul className="settings-topics">
+          {projects.map((item) => (
+            <li key={item.id}>
+              <div>
+                <strong>{item.label}</strong>
+                <span>{item.id} · {item.cards} {item.cards === 1 ? "card" : "cards"}{item.open ? ` · ${item.open} new` : ""}</span>
+              </div>
+              <div className="settings-row-actions">
+                {item.id !== projectId && <button onClick={() => selectProject(item.id)}>Open</button>}
+                <button onClick={() => setEditingProject({ id: item.id, label: item.label })}>Rename</button>
+                {item.id !== DEFAULT_PROJECT_ID && item.cards === 0 && <button className="is-danger" onClick={() => void removeProject(item.id)}>Remove</button>}
+              </div>
+            </li>
+          ))}
+        </ul>
+        {editingProject ? (
+          <div className="settings-editor">
+            <label>
+              <span>Name</span>
+              <input value={editingProject.label} maxLength={MAX_PROJECT_LABEL_LENGTH} onChange={(e) => setEditingProject({ ...editingProject, label: e.target.value })} placeholder="e.g. Acme" />
+            </label>
+            <small>Id: {editingProject.id ?? (projectSlug(editingProject.label) || "–")}{editingProject.id ? " (ids stay fixed)" : ""}</small>
+            <div className="settings-actions">
+              <button onClick={() => setEditingProject(null)}>Cancel</button>
+              <button className="is-dark" disabled={!editingProject.label.trim() || busy} onClick={() => void saveProject()}>{editingProject.id ? "Rename project" : "Add project"}</button>
+            </div>
+          </div>
+        ) : (
+          <div className="settings-actions"><button className="is-dark" onClick={() => setEditingProject({ label: "" })}>Add project</button></div>
+        )}
+      </section>
     </main>
   );
 }
diff --git a/app/stats/page.tsx b/app/stats/page.tsx
index 7495795..d62f659 100644
--- a/app/stats/page.tsx
+++ b/app/stats/page.tsx
@@ -2,9 +2,11 @@
 
 import Link from "next/link";
 import { useEffect, useState } from "react";
+import { DEFAULT_PROJECT_ID, projectHref, readActiveProject } from "../../lib/project";
 
 type Bucket = { do: number; change: number; no: number; parked: number; likedPoints: number; medianActiveMs: number | null; medianDoMs: number | null; decided: number; doRate: number | null };
 type Stats = {
+  project: { id: string; label: string };
   days: number;
   total: Bucket & { donePoints: number; points: number };
   clusters: Array<Bucket & { id: string; label: string; hint: string; open: number; done: number; rejected: number; donePoints: number }>;
@@ -70,12 +72,18 @@ function Split({ b }: { b: { do: number; change: number; no: number } }) {
 
 export default function StatsPage() {
   const [days, setDays] = useState(7);
+  const [projectId, setProjectId] = useState(readActiveProject);
   const [stats, setStats] = useState<Stats | null>(null);
   useEffect(() => {
     let cancelled = false;
-    fetch(`/api/stats?days=${days}`, { cache: "no-store" }).then((r) => r.json()).then((s: Stats) => { if (!cancelled) setStats(s); });
+    fetch(`/api/stats?days=${days}&project=${encodeURIComponent(projectId)}`, { cache: "no-store" }).then(async (r) => {
+      if (cancelled) return;
+      if (r.status === 404 && projectId !== DEFAULT_PROJECT_ID) return setProjectId(DEFAULT_PROJECT_ID);
+      const s = (await r.json()) as Stats;
+      if (!cancelled) setStats(s);
+    });
     return () => { cancelled = true; };
-  }, [days]);
+  }, [days, projectId]);
   if (!stats) return <main className="stats-shell"><p className="stats-loading">Counting…</p></main>;
   const t = stats.total;
   const today = new Date().toLocaleDateString("en-CA");
@@ -86,7 +94,8 @@ export default function StatsPage() {
   return (
     <main className="stats-shell">
       <header className="stats-header">
-        <Link href="/" className="stats-back">← Back</Link>
+        <Link href={projectHref("/", projectId)} className="stats-back">← Back</Link>
+        <h1 className="settings-title">{stats.project.label}</h1>
         <nav>{[7, 30, 90].map((d) => <button key={d} className={d === days ? "is-active" : ""} onClick={() => setDays(d)}>{d} days</button>)}</nav>
       </header>
 
@@ -145,7 +154,7 @@ export default function StatsPage() {
             {stats.recent.slice(0, 20).map((r) => (
               <li key={`${r.ideaId}-${r.decidedAt}`}>
                 <i style={{ background: ACTION[r.action].color }} title={ACTION[r.action].label} />
-                <Link href={`/?card=${r.ideaId}`}>{r.headline}</Link>
+                <Link href={projectHref(`/?card=${r.ideaId}`, projectId)}>{r.headline}</Link>
                 <span><em style={{ color: CLUSTER[r.cluster] }}>{r.cluster}</em> · {seconds(r.activeMs)}</span>
               </li>
             ))}
diff --git a/db/index.ts b/db/index.ts
index 4c579d0..c189175 100644
--- a/db/index.ts
+++ b/db/index.ts
@@ -1,4 +1,5 @@
 import { env } from "cloudflare:workers";
+import { DEFAULT_PROJECT_ID } from "../lib/project";
 
 export function getD1() {
   if (!env.DB) throw new Error("The local Agency database is unavailable.");
@@ -26,6 +27,8 @@ export async function ensureDatabase() {
   return db;
 }
 
+const TOPICS_COLUMNS = `project_id TEXT NOT NULL DEFAULT '${DEFAULT_PROJECT_ID}', id TEXT NOT NULL, label TEXT NOT NULL, hint TEXT NOT NULL DEFAULT '', position INTEGER NOT NULL DEFAULT 0, created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (project_id, id)`;
+
 async function runMaintenance(db: ReturnType<typeof getD1>) {
   await db.batch([
     db.prepare("CREATE TABLE IF NOT EXISTS contexts (id INTEGER PRIMARY KEY AUTOINCREMENT, text TEXT NOT NULL, created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP)"),
@@ -36,13 +39,18 @@ async function runMaintenance(db: ReturnType<typeof getD1>) {
     db.prepare("CREATE TABLE IF NOT EXISTS card_interactions (id INTEGER PRIMARY KEY AUTOINCREMENT, idea_id INTEGER NOT NULL, idea_version INTEGER NOT NULL, action TEXT NOT NULL, label TEXT NOT NULL DEFAULT '', active_ms INTEGER NOT NULL DEFAULT 0, wall_ms INTEGER NOT NULL DEFAULT 0, created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP)"),
     db.prepare("CREATE UNIQUE INDEX IF NOT EXISTS idx_ideas_dedupe_key ON ideas(dedupe_key)"),
     db.prepare("CREATE INDEX IF NOT EXISTS idx_ideas_status_score ON ideas(status, score DESC)"),
-    db.prepare("CREATE TABLE IF NOT EXISTS topics (id TEXT PRIMARY KEY, label TEXT NOT NULL, hint TEXT NOT NULL DEFAULT '', position INTEGER NOT NULL DEFAULT 0, created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP)"),
+    db.prepare("CREATE TABLE IF NOT EXISTS projects (id TEXT PRIMARY KEY, label TEXT NOT NULL, position INTEGER NOT NULL DEFAULT 0, created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP)"),
+    db.prepare("INSERT OR IGNORE INTO projects (id, label, position) VALUES (?, 'Default', 0)").bind(DEFAULT_PROJECT_ID),
+    db.prepare(`CREATE TABLE IF NOT EXISTS topics (${TOPICS_COLUMNS})`),
   ]);
   const columns = await db.prepare("PRAGMA table_info(ideas)").all<{ name: string }>();
   const names = new Set(columns.results.map((column: { name: string }) => column.name));
   if (!names.has("project")) {
     await db.prepare("ALTER TABLE ideas ADD COLUMN project TEXT NOT NULL DEFAULT ''").run();
   }
+  if (!names.has("project_id")) {
+    await db.prepare(`ALTER TABLE ideas ADD COLUMN project_id TEXT NOT NULL DEFAULT '${DEFAULT_PROJECT_ID}'`).run();
+  }
   if (!names.has("category")) {
     await db.prepare("ALTER TABLE ideas ADD COLUMN category TEXT NOT NULL DEFAULT ''").run();
   }
@@ -85,6 +93,22 @@ async function runMaintenance(db: ReturnType<typeof getD1>) {
         rise_ease = CAST(score / 4 AS INTEGER)
     `).run();
   }
+  const contextColumns = await db.prepare("PRAGMA table_info(contexts)").all<{ name: string }>();
+  if (!contextColumns.results.some((column: { name: string }) => column.name === "project_id")) {
+    await db.prepare(`ALTER TABLE contexts ADD COLUMN project_id TEXT NOT NULL DEFAULT '${DEFAULT_PROJECT_ID}'`).run();
+  }
+  // Topics were global with `id` as the key. Each project now has its own list,
+  // so rebuild the table once with (project_id, id) and file old topics under Default.
+  const topicColumns = await db.prepare("PRAGMA table_info(topics)").all<{ name: string }>();
+  if (!topicColumns.results.some((column: { name: string }) => column.name === "project_id")) {
+    await db.batch([
+      db.prepare("DROP TABLE IF EXISTS topics_by_project"),
+      db.prepare(`CREATE TABLE topics_by_project (${TOPICS_COLUMNS})`),
+      db.prepare("INSERT INTO topics_by_project (project_id, id, label, hint, position, created_at) SELECT ?, id, label, hint, position, created_at FROM topics").bind(DEFAULT_PROJECT_ID),
+      db.prepare("DROP TABLE topics"),
+      db.prepare("ALTER TABLE topics_by_project RENAME TO topics"),
+    ]);
+  }
   const attentionColumns = await db.prepare("PRAGMA table_info(card_attention)").all<{ name: string }>();
   const attentionNames = new Set(attentionColumns.results.map((column: { name: string }) => column.name));
   if (!attentionNames.has("decision_source")) {
@@ -125,5 +149,7 @@ async function runMaintenance(db: ReturnType<typeof getD1>) {
   await db.prepare("CREATE INDEX IF NOT EXISTS idx_agent_jobs_status_created ON agent_jobs(status, created_at)").run();
   await db.prepare("CREATE INDEX IF NOT EXISTS idx_card_attention_decided ON card_attention(decided_at)").run();
   await db.prepare("CREATE INDEX IF NOT EXISTS idx_card_interactions_card ON card_interactions(idea_id, idea_version, id)").run();
+  await db.prepare("CREATE INDEX IF NOT EXISTS idx_ideas_project_status_score ON ideas(project_id, status, score DESC)").run();
+  await db.prepare("CREATE INDEX IF NOT EXISTS idx_contexts_project ON contexts(project_id, id)").run();
   await db.prepare("PRAGMA optimize").run();
 }
diff --git a/db/projects.ts b/db/projects.ts
new file mode 100644
index 0000000..b032ea3
--- /dev/null
+++ b/db/projects.ts
@@ -0,0 +1,35 @@
+import type { getD1 } from ".";
+import type { Project } from "../lib/project";
+
+type Database = ReturnType<typeof getD1>;
+
+// `open` matches the New lane: new cards without a queued or running job.
+const PROJECT_SELECT = `
+  SELECT
+    p.id,
+    p.label,
+    (
+      SELECT COUNT(*) FROM ideas i
+      WHERE i.project_id = p.id AND i.card_html != '' AND i.status = 'new'
+        AND NOT EXISTS (SELECT 1 FROM agent_jobs j WHERE j.idea_id = i.id AND j.status IN ('queued', 'running'))
+    ) AS open,
+    (SELECT COUNT(*) FROM ideas i WHERE i.project_id = p.id) AS cards
+  FROM projects p
+`;
+
+export async function listProjects(db: Database) {
+  const rows = await db.prepare(`${PROJECT_SELECT} ORDER BY p.position, p.created_at`).all<Project>();
+  return rows.results;
+}
+
+export async function findProject(db: Database, id: string) {
+  return db.prepare(`${PROJECT_SELECT} WHERE p.id = ?`).bind(id).first<Project>();
+}
+
+export function unknownProject(id: string) {
+  return Response.json({ error: `Unknown project "${id}". Create it in Settings or with POST /api/projects.` }, { status: 404 });
+}
+
+export function invalidProject() {
+  return Response.json({ error: "A project id is 1–40 lowercase letters, digits or dashes." }, { status: 400 });
+}
diff --git a/db/schema.ts b/db/schema.ts
index bfb4a97..84a3450 100644
--- a/db/schema.ts
+++ b/db/schema.ts
@@ -1,14 +1,32 @@
 import { sql } from "drizzle-orm";
 import { integer, primaryKey, sqliteTable, text, uniqueIndex } from "drizzle-orm/sqlite-core";
 
+export const projects = sqliteTable("projects", {
+  id: text("id").primaryKey(),
+  label: text("label").notNull(),
+  position: integer("position").notNull().default(0),
+  createdAt: text("created_at").notNull().default(sql`CURRENT_TIMESTAMP`),
+});
+
 export const contexts = sqliteTable("contexts", {
   id: integer("id").primaryKey({ autoIncrement: true }),
+  projectId: text("project_id").notNull().default("default"),
   text: text("text").notNull(),
   createdAt: text("created_at").notNull().default(sql`CURRENT_TIMESTAMP`),
 });
 
+export const topics = sqliteTable("topics", {
+  projectId: text("project_id").notNull().default("default"),
+  id: text("id").notNull(),
+  label: text("label").notNull(),
+  hint: text("hint").notNull().default(""),
+  position: integer("position").notNull().default(0),
+  createdAt: text("created_at").notNull().default(sql`CURRENT_TIMESTAMP`),
+}, (table) => [primaryKey({ columns: [table.projectId, table.id] })]);
+
 export const ideas = sqliteTable("ideas", {
   id: integer("id").primaryKey({ autoIncrement: true }),
+  projectId: text("project_id").notNull().default("default"),
   project: text("project").notNull().default(""),
   category: text("category").notNull().default(""),
   headline: text("headline").notNull(),
diff --git a/drizzle/0007_projects.sql b/drizzle/0007_projects.sql
new file mode 100644
index 0000000..674fda0
--- /dev/null
+++ b/drizzle/0007_projects.sql
@@ -0,0 +1,19 @@
+CREATE TABLE `projects` (
+	`id` text PRIMARY KEY NOT NULL,
+	`label` text NOT NULL,
+	`position` integer DEFAULT 0 NOT NULL,
+	`created_at` text DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE `topics` (
+	`project_id` text DEFAULT 'default' NOT NULL,
+	`id` text NOT NULL,
+	`label` text NOT NULL,
+	`hint` text DEFAULT '' NOT NULL,
+	`position` integer DEFAULT 0 NOT NULL,
+	`created_at` text DEFAULT CURRENT_TIMESTAMP NOT NULL,
+	PRIMARY KEY(`project_id`, `id`)
+);
+--> statement-breakpoint
+ALTER TABLE `contexts` ADD `project_id` text DEFAULT 'default' NOT NULL;--> statement-breakpoint
+ALTER TABLE `ideas` ADD `project_id` text DEFAULT 'default' NOT NULL;
\ No newline at end of file
diff --git a/drizzle/meta/0007_snapshot.json b/drizzle/meta/0007_snapshot.json
new file mode 100644
index 0000000..628e133
--- /dev/null
+++ b/drizzle/meta/0007_snapshot.json
@@ -0,0 +1,731 @@
+{
+  "version": "6",
+  "dialect": "sqlite",
+  "id": "88c7625e-13b4-4eaa-8c50-d9e586316e43",
+  "prevId": "8ac779eb-785a-4d63-87ed-ed32a10c151d",
+  "tables": {
+    "agent_jobs": {
+      "name": "agent_jobs",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "idea_id": {
+          "name": "idea_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "action": {
+          "name": "action",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "button_label": {
+          "name": "button_label",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "instruction": {
+          "name": "instruction",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "user_feedback": {
+          "name": "user_feedback",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "card_context": {
+          "name": "card_context",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "status": {
+          "name": "status",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'queued'"
+        },
+        "result": {
+          "name": "result",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "ticket_outcome": {
+          "name": "ticket_outcome",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "card_attention": {
+      "name": "card_attention",
+      "columns": {
+        "idea_id": {
+          "name": "idea_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "idea_version": {
+          "name": "idea_version",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "first_seen_at": {
+          "name": "first_seen_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        },
+        "last_seen_at": {
+          "name": "last_seen_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        },
+        "active_ms": {
+          "name": "active_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "view_count": {
+          "name": "view_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "decision_action": {
+          "name": "decision_action",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "decision_label": {
+          "name": "decision_label",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "decision_source": {
+          "name": "decision_source",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'user'"
+        },
+        "decided_at": {
+          "name": "decided_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "wall_ms": {
+          "name": "wall_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "card_attention_idea_id_idea_version_pk": {
+          "columns": [
+            "idea_id",
+            "idea_version"
+          ],
+          "name": "card_attention_idea_id_idea_version_pk"
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "card_interactions": {
+      "name": "card_interactions",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "idea_id": {
+          "name": "idea_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "idea_version": {
+          "name": "idea_version",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "action": {
+          "name": "action",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "label": {
+          "name": "label",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "active_ms": {
+          "name": "active_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "wall_ms": {
+          "name": "wall_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "contexts": {
+      "name": "contexts",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "project_id": {
+          "name": "project_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'default'"
+        },
+        "text": {
+          "name": "text",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "feedback": {
+      "name": "feedback",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "idea_id": {
+          "name": "idea_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "decision": {
+          "name": "decision",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "note": {
+          "name": "note",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "ideas": {
+      "name": "ideas",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "project_id": {
+          "name": "project_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'default'"
+        },
+        "project": {
+          "name": "project",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "category": {
+          "name": "category",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "headline": {
+          "name": "headline",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "why_matters": {
+          "name": "why_matters",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "impact": {
+          "name": "impact",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "finished_work": {
+          "name": "finished_work",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "primary_action": {
+          "name": "primary_action",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "secondary_action": {
+          "name": "secondary_action",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'See proof'"
+        },
+        "card_html": {
+          "name": "card_html",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "agent_context": {
+          "name": "agent_context",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'{}'"
+        },
+        "external_action": {
+          "name": "external_action",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "score": {
+          "name": "score",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "rise_reach": {
+          "name": "rise_reach",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "rise_impact": {
+          "name": "rise_impact",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "rise_strategic_fit": {
+          "name": "rise_strategic_fit",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "rise_ease": {
+          "name": "rise_ease",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "decision_estimate_ms": {
+          "name": "decision_estimate_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "decision_estimate_reason": {
+          "name": "decision_estimate_reason",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "version": {
+          "name": "version",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "source_label": {
+          "name": "source_label",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "source_url": {
+          "name": "source_url",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "agent_name": {
+          "name": "agent_name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "preview_kind": {
+          "name": "preview_kind",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "preview_title": {
+          "name": "preview_title",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "preview_body": {
+          "name": "preview_body",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "preview_asset": {
+          "name": "preview_asset",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "dedupe_key": {
+          "name": "dedupe_key",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "status": {
+          "name": "status",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'new'"
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        }
+      },
+      "indexes": {
+        "idx_ideas_dedupe_key": {
+          "name": "idx_ideas_dedupe_key",
+          "columns": [
+            "dedupe_key"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "projects": {
+      "name": "projects",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "label": {
+          "name": "label",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "position": {
+          "name": "position",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "topics": {
+      "name": "topics",
+      "columns": {
+        "project_id": {
+          "name": "project_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'default'"
+        },
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "label": {
+          "name": "label",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "hint": {
+          "name": "hint",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "''"
+        },
+        "position": {
+          "name": "position",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "CURRENT_TIMESTAMP"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "topics_project_id_id_pk": {
+          "columns": [
+            "project_id",
+            "id"
+          ],
+          "name": "topics_project_id_id_pk"
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    }
+  },
+  "views": {},
+  "enums": {},
+  "_meta": {
+    "schemas": {},
+    "tables": {},
+    "columns": {}
+  },
+  "internal": {
+    "indexes": {}
+  }
+}
\ No newline at end of file
diff --git a/drizzle/meta/_journal.json b/drizzle/meta/_journal.json
index 0aa93df..dabb4f6 100644
--- a/drizzle/meta/_journal.json
+++ b/drizzle/meta/_journal.json
@@ -50,6 +50,13 @@
       "when": 1788136734618,
       "tag": "0006_fluffy_shiver_man",
       "breakpoints": true
+    },
+    {
+      "idx": 7,
+      "version": "6",
+      "when": 1789447251601,
+      "tag": "0007_projects",
+      "breakpoints": true
     }
   ]
 }
\ No newline at end of file
diff --git a/lib/blocked-card.ts b/lib/blocked-card.ts
index 8b2769b..60a8b51 100644
--- a/lib/blocked-card.ts
+++ b/lib/blocked-card.ts
@@ -13,7 +13,7 @@ export function cardIngestMode(html: string, blockedJobId?: number, expectedVers
 // create cards, reopen decisions, overwrite a newer job, or turn blocked into Done.
 export const BLOCKED_CARD_UPDATE_SQL = `
   UPDATE ideas SET headline = ?, card_html = ?, agent_context = ?, version = version + 1
-  WHERE dedupe_key = ? AND version = ? AND status IN ('new', 'working')
+  WHERE dedupe_key = ? AND project_id = ? AND version = ? AND status IN ('new', 'working')
     AND EXISTS (
       SELECT 1 FROM agent_jobs job
       WHERE job.id = ? AND job.idea_id = ideas.id
diff --git a/lib/project.ts b/lib/project.ts
new file mode 100644
index 0000000..b2f1e4e
--- /dev/null
+++ b/lib/project.ts
@@ -0,0 +1,47 @@
+export const DEFAULT_PROJECT_ID = "default";
+export const MAX_PROJECT_LABEL_LENGTH = 40;
+
+export type Project = { id: string; label: string; open: number; cards: number };
+
+const PROJECT_ID = /^[a-z0-9](?:[a-z0-9-]{0,38}[a-z0-9])?$/;
+const ACTIVE_PROJECT_KEY = "agency-project";
+
+/** A project id is a short lowercase slug such as `acme` or `docs-site`. Anything else is null. */
+export function parseProjectId(value: unknown): string | null {
+  if (typeof value !== "string") return null;
+  const id = value.trim().toLowerCase();
+  return PROJECT_ID.test(id) ? id : null;
+}
+
+export function projectSlug(label: string) {
+  return label.toLowerCase().replace(/[^a-z0-9]+/g, "-").slice(0, 40).replace(/^-+|-+$/g, "");
+}
+
+/** Reads a body `projectId`, else `?project=`. Missing means the default project; malformed is null. */
+export function requestProjectId(request: Request, bodyValue?: unknown) {
+  const raw = bodyValue ?? new URL(request.url).searchParams.get("project");
+  if (raw === undefined || raw === null || raw === "") return DEFAULT_PROJECT_ID;
+  return parseProjectId(raw);
+}
+
+/** The project the browser last used: `?project=` wins, then the remembered choice. */
+export function readActiveProject() {
+  if (typeof window === "undefined") return DEFAULT_PROJECT_ID;
+  const fromUrl = parseProjectId(new URLSearchParams(window.location.search).get("project"));
+  if (fromUrl) return fromUrl;
+  try {
+    return parseProjectId(window.localStorage.getItem(ACTIVE_PROJECT_KEY)) ?? DEFAULT_PROJECT_ID;
+  } catch {
+    return DEFAULT_PROJECT_ID;
+  }
+}
+
+export function rememberActiveProject(projectId: string) {
+  try { window.localStorage.setItem(ACTIVE_PROJECT_KEY, projectId); } catch { /* private mode */ }
+}
+
+/** Keeps the project in links so another tab's choice cannot redirect this one. */
+export function projectHref(path: string, projectId: string) {
+  if (projectId === DEFAULT_PROJECT_ID) return path;
+  return `${path}${path.includes("?") ? "&" : "?"}project=${encodeURIComponent(projectId)}`;
+}
diff --git a/lib/task-submission.ts b/lib/task-submission.ts
index 6e1c670..9f49a0b 100644
--- a/lib/task-submission.ts
+++ b/lib/task-submission.ts
@@ -1,13 +1,13 @@
 export const MAX_TASK_LENGTH = 5_000;
 export const MAX_CONTEXT_LENGTH = 40_000;
 
-export async function submitNewTask(task: string, fetcher: typeof fetch = fetch) {
+export async function submitNewTask(task: string, projectId: string, fetcher: typeof fetch = fetch) {
   const response = await fetcher("/api/tasks", {
     method: "POST",
     headers: { "content-type": "application/json" },
     // The server attaches the latest saved context. Sending the composer's
     // snapshot could reject a valid task or overwrite newer context.
-    body: JSON.stringify({ task: task.trim() }),
+    body: JSON.stringify({ task: task.trim(), projectId }),
   });
   const result = await response.json().catch(() => null) as { ok?: boolean; jobId?: number; ideaId?: number; error?: string } | null;
   if (!response.ok) {
diff --git a/scripts/push-card.mjs b/scripts/push-card.mjs
index 70c3c5e..10130e1 100644
--- a/scripts/push-card.mjs
+++ b/scripts/push-card.mjs
@@ -15,16 +15,18 @@ if (!meta.cardHtmlFile) {
 }
 const cardHtml = await readFile(resolve(dirname(absoluteMeta), meta.cardHtmlFile), "utf8");
 delete meta.cardHtmlFile;
+// Cards go to the default project unless the metadata or AGENCY_PROJECT names another.
+const projectId = meta.projectId ?? process.env.AGENCY_PROJECT;
 
 const baseUrl = process.env.RADAR_URL ?? "http://localhost:3100";
 const response = await fetch(`${baseUrl}/api/ideas`, {
   method: "POST",
   headers: { "content-type": "application/json", "x-radar-local-agent": "1" },
-  body: JSON.stringify({ ...meta, cardHtml }),
+  body: JSON.stringify({ ...meta, ...(projectId ? { projectId } : {}), cardHtml }),
 });
 const result = await response.json();
 if (!response.ok) {
   console.error(result);
   process.exit(1);
 }
-console.log(`Pushed card ${result.idea?.id ?? ""}`.trim());
+console.log(`Pushed card ${result.idea?.id ?? ""} to project ${projectId ?? "default"}`);
diff --git a/scripts/sync-me.mjs b/scripts/sync-me.mjs
index a7b26ea..1b84812 100644
--- a/scripts/sync-me.mjs
+++ b/scripts/sync-me.mjs
@@ -1,25 +1,35 @@
 #!/usr/bin/env node
-// me.md and the app's "My dream" are one document. This keeps them identical: whichever
-// side changed last wins. Run it at the start and the end of every Agency wave.
+// A project's projects/<id>/me.md and that project's dream in the app are one document.
+// This keeps them identical: whichever side changed last wins. Run it at the start and the
+// end of every Agency wave. The shared checkout-root me.md (voice, preferences) is not synced.
 //
-//   node scripts/sync-me.mjs          # sync, newest wins
-//   node scripts/sync-me.mjs --file-to-app
-//   node scripts/sync-me.mjs --app-to-file
-//   node scripts/sync-me.mjs --check  # report only, exit 1 if they differ
+//   node scripts/sync-me.mjs --project acme          # sync, newest wins
+//   node scripts/sync-me.mjs --project acme --file-to-app
+//   node scripts/sync-me.mjs --project acme --app-to-file
+//   node scripts/sync-me.mjs --project acme --check  # report only, exit 1 if they differ
+//
+// Without --project, AGENCY_PROJECT or the default project is used. PROJECT_ME_PATH overrides the file.
 
-import { readFile, writeFile, stat } from "node:fs/promises";
+import { mkdir, readFile, writeFile, stat } from "node:fs/promises";
+import { dirname } from "node:path";
 import { fileURLToPath } from "node:url";
 
-const ME = process.env.ME_PATH ?? fileURLToPath(new URL("../me.md", import.meta.url));
+const args = process.argv.slice(2);
+const projectFlag = args.indexOf("--project");
+const PROJECT = (projectFlag >= 0 ? args[projectFlag + 1] : process.env.AGENCY_PROJECT) || "default";
+if (!/^[a-z0-9](?:[a-z0-9-]{0,38}[a-z0-9])?$/.test(PROJECT)) throw new Error(`Invalid project id "${PROJECT}". Use lowercase letters, digits and dashes.`);
+const flags = projectFlag >= 0 ? args.filter((_, index) => index !== projectFlag && index !== projectFlag + 1) : args;
+const ME = process.env.PROJECT_ME_PATH ?? fileURLToPath(new URL(`../projects/${PROJECT}/me.md`, import.meta.url));
 const RADAR = process.env.RADAR_URL ?? "http://localhost:3100";
-const argument = process.argv[2] ?? "--sync";
+const argument = flags[0] ?? "--sync";
 const mode = ({ "--file-to-app": "--pull", "--app-to-file": "--push" })[argument] ?? argument;
 if (!["--sync", "--pull", "--push", "--check"].includes(mode)) {
   throw new Error("Use --file-to-app, --app-to-file, --check, or no flag (newest wins). Legacy --pull/--push are also supported.");
 }
 
 async function readApp() {
-  const response = await fetch(`${RADAR}/api/state?view=working&light=1`, { headers: { "x-radar-local-agent": "1" } });
+  const response = await fetch(`${RADAR}/api/state?view=working&light=1&project=${PROJECT}`, { headers: { "x-radar-local-agent": "1" } });
+  if (response.status === 404) throw new Error(`Unknown project "${PROJECT}". Create it in Settings or with POST /api/projects first.`);
   if (!response.ok) throw new Error(`state ${response.status}`);
   const state = await response.json();
   const context = state.context;
@@ -33,7 +43,7 @@ async function writeApp(text) {
   const response = await fetch(`${RADAR}/api/context`, {
     method: "POST",
     headers: { "content-type": "application/json", "x-radar-local-agent": "1" },
-    body: JSON.stringify({ text }),
+    body: JSON.stringify({ text, projectId: PROJECT }),
   });
   if (!response.ok) throw new Error(`context ${response.status}: ${await response.text()}`);
 }
@@ -47,7 +57,7 @@ const [file, app] = await Promise.all([
 ]);
 
 if (file.missing && mode === "--pull") throw new Error(`Profile does not exist: ${ME}. Create the file first, or use --app-to-file for an existing app dream.`);
-if (file.missing && !app.text.trim()) throw new Error("No profile yet. Let the agent create me.md from relevant context, or add your dream in Settings.");
+if (file.missing && !app.text.trim()) throw new Error(`No profile for project "${PROJECT}" yet. Let the agent create ${ME} from relevant context, or add the project's dream in Settings.`);
 if (!file.missing && file.text.trim() === app.text.trim()) {
   console.log("in sync");
   process.exit(0);
@@ -65,8 +75,9 @@ if (!source.text.trim() && target.text.trim()) {
 }
 if (fileWins) {
   await writeApp(file.text);
-  console.log(`me.md -> app (${file.text.length} chars)`);
+  console.log(`${ME} -> app project ${PROJECT} (${file.text.length} chars)`);
 } else {
+  await mkdir(dirname(ME), { recursive: true });
   await writeFile(ME, app.text.endsWith("\n") ? app.text : `${app.text}\n`);
-  console.log(`app -> me.md (${app.text.length} chars)`);
+  console.log(`app project ${PROJECT} -> ${ME} (${app.text.length} chars)`);
 }
diff --git a/skills/agency/SKILL.md b/skills/agency/SKILL.md
index 5cb4724..ca644cf 100644
--- a/skills/agency/SKILL.md
+++ b/skills/agency/SKILL.md
@@ -9,9 +9,9 @@ AI finds useful work, prepares it privately and brings the user an easy decision
 
 ## Start
 
-Read `me.md` if present, [APPROVALS.md](APPROVALS.md) and [LAYOUT.md](LAYOUT.md). Honor `ME_PATH`, `APPROVALS_PATH` and `LAYOUT_PATH`. Use the [README](https://github.com/browser-use/agency#run-locally) to start locally. Infer an editable profile, verify the cards and leave the app reachable. Read [LINEAR.md](LINEAR.md) for shared tracking; there is no continuous sync.
+Agency keeps separate projects, each with its own dream, topics, cards and stats. Work in one project at a time: use `AGENCY_PROJECT`, the project the user names, or `GET /api/projects`; ask only when several fit. Read the shared `me.md` if present, that project's `projects/<id>/me.md`, [APPROVALS.md](APPROVALS.md) and [LAYOUT.md](LAYOUT.md). Honor `ME_PATH`, `PROJECT_ME_PATH`, `APPROVALS_PATH` and `LAYOUT_PATH`. Use the [README](https://github.com/browser-use/agency#run-locally) to start locally. Infer an editable profile, verify the cards and leave the app reachable. Read [LINEAR.md](LINEAR.md) for shared tracking; there is no continuous sync.
 
-Use subagents whenever supported for discovery, preparation and review. Give each the skill, profile, approvals and layout. One coordinator handles duplicates, approvals and integration. Coordinate shared browser access.
+Use subagents whenever supported for discovery, preparation and review. Give each the project id, skill, both profiles, approvals and layout. One coordinator handles duplicates, approvals and integration. Coordinate shared browser access.
 
 ## Learn without interviewing
 
@@ -19,7 +19,7 @@ Use subagents whenever supported for discovery, preparation and review. Give eac
 - Use `browser-harness` for every browser interaction. Prefer an existing CLI, API or MCP when simpler. Otherwise use relevant signed-in services, including X or LinkedIn. Creating API keys needs permission for the account and scope; use the secret store. Never create keys in read-only runs.
 - Read relevant Codex or Claude prompts, card feedback and outcomes to learn goals and familiar words. Read threads, links and attachments before drafting questions. Check original source dates.
 - Before choosing cards, reconsider what the user repeatedly cares about, does or asks for. List likely sources privately. Follow clues to untried sessions, CLIs or services. Choose work with specific impact on this user.
-- Keep private `me.md` short: goals, preferences, constraints, familiar phrasing and dated sources. Label guesses; exclude secrets and copied conversations. Keep tool inventories and research in `agent-work/`. Offer a verified setup path for useful missing access and continue elsewhere.
+- Keep private profiles short. The shared `me.md` holds preferences, constraints and familiar phrasing true in every project. `projects/<id>/me.md` holds that project's goals and dated sources and matches its dream in the app. Label guesses; exclude secrets and copied conversations. Keep tool inventories and research in `agent-work/<project>/`. Offer a verified setup path for useful missing access and continue elsewhere.
 
 Ask only for a real blocker or missing permission.
 
@@ -31,7 +31,7 @@ Do research and useful private preparation now: investigate causes, draft the ex
 
 Substantial builds or costly investigations need initial findings and a bounded scope. Honor explicit run restrictions: a suggestions-only run can read sources and create local drafts, patch files, mockups or demos, but cannot change other repositories or execute external actions. Publishing, sending, spend and access changes follow the approval policy.
 
-Group related work. Choose the smallest useful action. When people miss an existing feature, prepare a useful post, demo or documentation change. Ten is a target, not a quota. Score observed benefit; one complaint is one complaint. Estimate Effort in the user's decision seconds, using their past decisions when available. Choose the project and category from context.
+Group related work. Choose the smallest useful action. When people miss an existing feature, prepare a useful post, demo or documentation change. Ten is a target, not a quota. Score observed benefit; one complaint is one complaint. Estimate Effort in the user's decision seconds, using their past decisions when available. Put every card, task and topic in the active project with `projectId`. Choose the card's area (`project`) and category from context.
 
 ## Show the choice