feat: show the active Git identity in the titlebar

backend/app_repository.go

@@ -114,6 +114,12 @@ func (app *App) OpenURL(address string) error {
 	return nil
 }
 
+// GitIdentity returns the Git author identity active for a repository, or
+// the machine-wide identity when no repository is selected.
+func (app *App) GitIdentity(repositoryPath string) (GitIdentity, error) {
+	return app.repository.GitIdentity(repositoryPath)
+}
+
 // Branches returns local and remote branches without duplicate names.
 func (app *App) Branches(repositoryPath string) ([]string, error) {
 	return app.branches.Get(repositoryPath, 15*time.Second, func() ([]string, error) { return app.repository.Branches(repositoryPath) })

backend/models.go

@@ -34,6 +34,12 @@ type Repo struct {
 	Description string `json:"description"`
 }
 
+// GitIdentity describes the Git author identity active for a repository.
+type GitIdentity struct {
+	Name  string `json:"name"`
+	Email string `json:"email"`
+}
+
 // RepositorySources groups local and GitHub repositories for the picker.
 type RepositorySources struct {
 	Yours         []Repo `json:"yours"`

backend/repository_git.go

@@ -383,6 +383,30 @@ func RunGit(repositoryPath string, arguments ...string) (string, error) {
 	return strings.TrimSpace(string(outputBytes)), nil
 }
 
+// GitIdentity returns the effective Git author identity for a repository, or
+// the machine-wide identity when repositoryPath is empty.
+func (service *RepositoryService) GitIdentity(repositoryPath string) (GitIdentity, error) {
+	name, nameError := gitConfigValue(repositoryPath, "user.name")
+	if nameError != nil {
+		return GitIdentity{}, nameError
+	}
+	email, emailError := gitConfigValue(repositoryPath, "user.email")
+	if emailError != nil {
+		return GitIdentity{}, emailError
+	}
+	return GitIdentity{Name: name, Email: email}, nil
+}
+
+// gitConfigValue reads one configuration key, treating an unset key as an
+// empty value rather than an error.
+func gitConfigValue(repositoryPath string, key string) (string, error) {
+	value, valueError := RunGit(repositoryPath, "config", "--get", key)
+	if valueError != nil && !isGitExitCode(valueError, 1) {
+		return "", valueError
+	}
+	return value, nil
+}
+
 // RemoteIdentity extracts an owner, repository name, and browser URL from origin.
 func RemoteIdentity(repositoryPath string) (string, string, string, error) {
 	remoteOutput, remoteError := RunGit(repositoryPath, "remote", "get-url", "origin")

backend/repository_test.go

@@ -124,6 +124,48 @@ func TestRepositoryFingerprintChangesWithWorkingTree(testingContext *testing.T)
 	}
 }
 
+// TestGitIdentityReadsConfiguredAuthor protects the titlebar's git-identity display.
+func TestGitIdentityReadsConfiguredAuthor(testingContext *testing.T) {
+	repositoryPath := testingContext.TempDir()
+	for _, commandArguments := range [][]string{{"init"}, {"config", "user.email", "identity@example.test"}, {"config", "user.name", "Identity Test"}} {
+		command := exec.Command("git", commandArguments...)
+		command.Dir = repositoryPath
+		if outputBytes, commandError := command.CombinedOutput(); commandError != nil {
+			testingContext.Fatalf("git setup failed: %s", outputBytes)
+		}
+	}
+	service := NewRepositoryService(Config{})
+	identity, identityError := service.GitIdentity(repositoryPath)
+	if identityError != nil {
+		testingContext.Fatal(identityError)
+	}
+	if identity.Name != "Identity Test" || identity.Email != "identity@example.test" {
+		testingContext.Fatalf("unexpected git identity: %#v", identity)
+	}
+}
+
+// TestGitIdentityTreatsUnsetKeysAsEmpty keeps a missing identity from
+// surfacing as an error in the titlebar.
+func TestGitIdentityTreatsUnsetKeysAsEmpty(testingContext *testing.T) {
+	home := testingContext.TempDir()
+	testingContext.Setenv("HOME", home)
+	testingContext.Setenv("GIT_CONFIG_NOSYSTEM", "1")
+	repositoryPath := testingContext.TempDir()
+	command := exec.Command("git", "init")
+	command.Dir = repositoryPath
+	if outputBytes, commandError := command.CombinedOutput(); commandError != nil {
+		testingContext.Fatalf("git setup failed: %s", outputBytes)
+	}
+	service := NewRepositoryService(Config{})
+	identity, identityError := service.GitIdentity(repositoryPath)
+	if identityError != nil {
+		testingContext.Fatal(identityError)
+	}
+	if identity.Name != "" || identity.Email != "" {
+		testingContext.Fatalf("expected empty identity without any configuration, received: %#v", identity)
+	}
+}
+
 // TestListDirectorySortsDirectoriesFirst keeps the file browser predictable.
 func TestListDirectorySortsDirectoriesFirst(testingContext *testing.T) {
 	repositoryPath := testingContext.TempDir()

frontend/src/api.ts

@@ -1,4 +1,4 @@
-import type { Bootstrap, Commit, Config, Document, LinterInfo, LintReport, PullRequest, PullRequestDetail, Repo, RepositorySources, RepositoryStats, ScannerInfo, SearchResult, ThemeName, TreeEntry } from "./types";
+import type { Bootstrap, Commit, Config, Document, GitIdentity, LinterInfo, LintReport, PullRequest, PullRequestDetail, Repo, RepositorySources, RepositoryStats, ScannerInfo, SearchResult, ThemeName, TreeEntry } from "./types";
 
 interface AbductionBackend {
   Bootstrap(): Promise<Bootstrap>;
@@ -26,6 +26,7 @@ interface AbductionBackend {
   PullRequestDetail(repositoryPath: string, number: number): Promise<PullRequestDetail>;
   SubmitPullRequestReview(repositoryPath: string, number: number, action: string, body: string): Promise<void>;
   OpenURL(address: string): Promise<void>;
+  GitIdentity(repositoryPath: string): Promise<GitIdentity>;
   Branches(repositoryPath: string): Promise<string[]>;
   SwitchBranch(repositoryPath: string, branch: string): Promise<string>;
   PullLatest(repositoryPath: string): Promise<string>;
@@ -109,6 +110,7 @@ export const api = {
   pullRequestDetail: (repositoryPath: string, number: number): Promise<PullRequestDetail> => cached(cacheKey("pull-request-detail", repositoryPath, String(number)), () => backend().PullRequestDetail(repositoryPath, number), 60_000),
   submitPullRequestReview: (repositoryPath: string, number: number, action: string, body: string): Promise<void> => backend().SubmitPullRequestReview(repositoryPath, number, action, body),
   openURL: (address: string): Promise<void> => backend().OpenURL(address),
+  gitIdentity: (repositoryPath: string): Promise<GitIdentity> => cached(cacheKey("git-identity", repositoryPath), () => backend().GitIdentity(repositoryPath), 60_000),
   branches: (repositoryPath: string): Promise<string[]> => cached(cacheKey("branches", repositoryPath), () => backend().Branches(repositoryPath), 15_000),
   switchBranch: (repositoryPath: string, branch: string): Promise<string> => backend().SwitchBranch(repositoryPath, branch).then((resolvedBranch) => { invalidateRepository(repositoryPath); return resolvedBranch; }),
   pullLatest: (repositoryPath: string): Promise<string> => backend().PullLatest(repositoryPath).then((output) => { invalidateRepository(repositoryPath); queryCache.delete("bootstrap"); return output; }),

frontend/src/features/shell/Shell.tsx

@@ -1,7 +1,7 @@
 import { useEffect, useMemo, useState } from "react";
-import { BarChart3, BrainCircuit, Braces, Command, GitBranch, GitPullRequestArrow, Keyboard, Palette, ScrollText, Settings2, ShieldCheck, Wrench, type LucideIcon } from "lucide-react";
+import { BarChart3, BrainCircuit, Braces, Command, GitBranch, GitPullRequestArrow, Keyboard, Palette, ScrollText, Settings2, ShieldCheck, UserRound, Wrench, type LucideIcon } from "lucide-react";
 import { api } from "../../api";
-import type { Repo, RepositorySources, ViewName } from "../../types";
+import type { GitIdentity, Repo, RepositorySources, ViewName } from "../../types";
 import { fuzzyFilter } from "../../search";
 
 export const destinations: { name: ViewName; label: string; key: string; icon: LucideIcon }[] = [
@@ -23,6 +23,7 @@ export function Titlebar({ version, platform, repos, selectedRepo, onSelect, onC
   const [pickerOpen, setPickerOpen] = useState(false);
   const [pickerQuery, setPickerQuery] = useState("");
   const [branches, setBranches] = useState<string[]>([]);
+  const [gitIdentity, setGitIdentity] = useState<GitIdentity | null>(null);
   const [switchingBranch, setSwitchingBranch] = useState(false);
   const [cloneURL, setCloneURL] = useState("");
   const [cloning, setCloning] = useState("");
@@ -50,6 +51,12 @@ export function Titlebar({ version, platform, repos, selectedRepo, onSelect, onC
     branchRequest.then(setBranches).catch((reason: unknown) => { setBranches([]); onError(String(reason)); });
   }, [selectedRepo]);
 
+  useEffect(() => {
+    let cancelled = false;
+    api.gitIdentity(selectedRepo?.path ?? "").then((identity) => { if (!cancelled) setGitIdentity(identity); }).catch(() => { if (!cancelled) setGitIdentity(null); });
+    return () => { cancelled = true; };
+  }, [selectedRepo?.path]);
+
   useEffect(() => {
     const branchSelect = document.querySelector<HTMLSelectElement>(".branch-picker select");
     if (branchSelect && selectedRepo && !selectedRepo.path) branchSelect.disabled = switchingBranch;
@@ -98,7 +105,7 @@ export function Titlebar({ version, platform, repos, selectedRepo, onSelect, onC
     if (event.key.toLowerCase() === "c" && !pickerQuery && filteredRepos[activeRepoIndex] && !filteredRepos[activeRepoIndex].path) { event.preventDefault(); const repository = filteredRepos[activeRepoIndex]; setCloning(repository.fullName); api.cloneRepository(repository.githubUrl + ".git").then(onCloned).then(() => setPickerOpen(false)).catch((reason: unknown) => onError(String(reason))).finally(() => setCloning("")); }
   }
 
-  return <><header className="titlebar"><BrandIdentity/><div className="top-context"><button className="repo-picker" onClick={() => setPickerOpen(true)}><span>Repository</span><strong>{selectedRepo?.fullName ?? "Select a repository"}</strong><kbd>⌘P</kbd></button><label className="branch-picker"><GitBranch size={15}/><select disabled={!selectedRepo?.path || switchingBranch} value={selectedRepo?.branch ?? ""} onChange={(event) => chooseBranch(event.target.value)} aria-label="Branch">{selectedRepo?.branch && !branches.includes(selectedRepo.branch) ? <option value={selectedRepo.branch}>{selectedRepo.branch}</option> : null}{branches.map((branch) => <option key={branch} value={branch}>{branch}</option>)}</select></label></div><div className="titlebar__actions"><button onClick={onCommand} aria-label="Open command palette"><Command size={15}/><kbd>⌘K</kbd></button><button onClick={onShortcuts} aria-label="Show keyboard shortcuts"><Keyboard size={16}/></button><small>{platform} · v{version}</small></div></header>{pickerOpen ? <div className="picker-backdrop" onMouseDown={() => setPickerOpen(false)}><section className="picker" role="dialog" aria-modal="true" aria-label="Open repository" onMouseDown={(event) => event.stopPropagation()}><header><span className="eyebrow">Quick switch</span><h2>Open repository</h2></header><div className="repo-source-tabs">{(["yours", "organisations", "starred"] as const).map((source) => <button key={source} className={repoSource === source ? "repo-source-tab repo-source-tab--active" : "repo-source-tab"} onClick={() => setRepoSource(source)}><span>{source === "yours" ? "On disk" : source === "organisations" ? "Organisations" : "Starred"}</span><b>{repositorySources[source].length}</b></button>)}</div>{repositorySources.error ? <p className="picker-source-error">{repositorySources.error}</p> : null}<input autoFocus value={pickerQuery} onChange={(event) => setPickerQuery(event.target.value)} onKeyDown={handlePickerKey} placeholder="Search owner or repository…"/><div className="picker__list" role="listbox">{loadingSources && repoSource !== "yours" ? <UfoLoader label={`loading ${repoSource}…`}/> : filteredRepos.map((repository, repositoryIndex) => <button key={repository.fullName} role="option" aria-selected={repositoryIndex === activeRepoIndex} className={repositoryIndex === activeRepoIndex ? "picker__option--active" : ""} onMouseEnter={() => setActiveRepoIndex(repositoryIndex)} onClick={() => chooseRepository(repository)} disabled={Boolean(cloning)}><span className="repo__glyph">{repository.path ? "⌁" : "☁"}</span><span><strong>{repository.name}</strong><small>{repository.owner} · {repository.language || "Unknown"}{repository.description ? ` · ${repository.description}` : ""}</small></span><span className={repository.path ? "repo-action repo-action--local" : "repo-action"}>{repository.path ? repository.branch || "On disk" : "View remote"}</span></button>)}{!loadingSources && !filteredRepos.length ? <p className="picker-empty">No repositories in this source.</p> : null}</div><div className="clone-box"><div><span className="eyebrow">Add to workspace</span><strong>Clone from URL</strong></div><div><input value={cloneURL} onChange={(event) => setCloneURL(event.target.value)} onKeyDown={(event) => { if (event.key === "Enter") cloneRepository(); }} placeholder="https://github.com/owner/repository.git"/><button className="primary" disabled={!cloneURL.trim() || Boolean(cloning)} onClick={cloneRepository}>{cloning === cloneURL.trim() ? "Cloning…" : "Clone"}</button></div></div><footer><span><kbd>↑↓</kbd> navigate</span><span><kbd>↵</kbd> open</span><span><kbd>esc</kbd> close</span></footer></section></div> : null}</>;
+  return <><header className="titlebar"><BrandIdentity/><div className="top-context"><button className="repo-picker" onClick={() => setPickerOpen(true)}><span>Repository</span><strong>{selectedRepo?.fullName ?? "Select a repository"}</strong><kbd>⌘P</kbd></button><label className="branch-picker"><GitBranch size={15}/><select disabled={!selectedRepo?.path || switchingBranch} value={selectedRepo?.branch ?? ""} onChange={(event) => chooseBranch(event.target.value)} aria-label="Branch">{selectedRepo?.branch && !branches.includes(selectedRepo.branch) ? <option value={selectedRepo.branch}>{selectedRepo.branch}</option> : null}{branches.map((branch) => <option key={branch} value={branch}>{branch}</option>)}</select></label></div><div className="titlebar__actions"><button onClick={onCommand} aria-label="Open command palette"><Command size={15}/><kbd>⌘K</kbd></button><button onClick={onShortcuts} aria-label="Show keyboard shortcuts"><Keyboard size={16}/></button>{gitIdentity?.name ? <span className="git-identity" title={gitIdentity.email ? `${gitIdentity.name} <${gitIdentity.email}>` : gitIdentity.name}><UserRound size={13}/>{gitIdentity.name}</span> : null}<small>{platform} · v{version}</small></div></header>{pickerOpen ? <div className="picker-backdrop" onMouseDown={() => setPickerOpen(false)}><section className="picker" role="dialog" aria-modal="true" aria-label="Open repository" onMouseDown={(event) => event.stopPropagation()}><header><span className="eyebrow">Quick switch</span><h2>Open repository</h2></header><div className="repo-source-tabs">{(["yours", "organisations", "starred"] as const).map((source) => <button key={source} className={repoSource === source ? "repo-source-tab repo-source-tab--active" : "repo-source-tab"} onClick={() => setRepoSource(source)}><span>{source === "yours" ? "On disk" : source === "organisations" ? "Organisations" : "Starred"}</span><b>{repositorySources[source].length}</b></button>)}</div>{repositorySources.error ? <p className="picker-source-error">{repositorySources.error}</p> : null}<input autoFocus value={pickerQuery} onChange={(event) => setPickerQuery(event.target.value)} onKeyDown={handlePickerKey} placeholder="Search owner or repository…"/><div className="picker__list" role="listbox">{loadingSources && repoSource !== "yours" ? <UfoLoader label={`loading ${repoSource}…`}/> : filteredRepos.map((repository, repositoryIndex) => <button key={repository.fullName} role="option" aria-selected={repositoryIndex === activeRepoIndex} className={repositoryIndex === activeRepoIndex ? "picker__option--active" : ""} onMouseEnter={() => setActiveRepoIndex(repositoryIndex)} onClick={() => chooseRepository(repository)} disabled={Boolean(cloning)}><span className="repo__glyph">{repository.path ? "⌁" : "☁"}</span><span><strong>{repository.name}</strong><small>{repository.owner} · {repository.language || "Unknown"}{repository.description ? ` · ${repository.description}` : ""}</small></span><span className={repository.path ? "repo-action repo-action--local" : "repo-action"}>{repository.path ? repository.branch || "On disk" : "View remote"}</span></button>)}{!loadingSources && !filteredRepos.length ? <p className="picker-empty">No repositories in this source.</p> : null}</div><div className="clone-box"><div><span className="eyebrow">Add to workspace</span><strong>Clone from URL</strong></div><div><input value={cloneURL} onChange={(event) => setCloneURL(event.target.value)} onKeyDown={(event) => { if (event.key === "Enter") cloneRepository(); }} placeholder="https://github.com/owner/repository.git"/><button className="primary" disabled={!cloneURL.trim() || Boolean(cloning)} onClick={cloneRepository}>{cloning === cloneURL.trim() ? "Cloning…" : "Clone"}</button></div></div><footer><span><kbd>↑↓</kbd> navigate</span><span><kbd>↵</kbd> open</span><span><kbd>esc</kbd> close</span></footer></section></div> : null}</>;
 }
 
 // BrandIdentity renders Abduction's compact craft and wordmark.

frontend/src/types.ts

@@ -3,6 +3,7 @@ export type ViewName = "code" | "history" | "stats" | "reviews" | "security" | "
 export interface Config { workspace: string; editor: string; theme: ThemeName; glow: number; radius: number; glass: number; scale: number }
 export interface Repo { name: string; owner: string; fullName: string; path: string; branch: string; language: string; updated: string; githubUrl: string; description: string }
 export interface RepositorySources { yours: Repo[]; organisations: Repo[]; starred: Repo[]; error: string }
+export interface GitIdentity { name: string; email: string }
 export interface TreeEntry { name: string; path: string; kind: "file" | "directory"; size: number }
 export interface SearchResult { path: string; line: number; preview: string; kind: "content" | "file" }
 export interface Document { path: string; name: string; language: string; html: string; source: string; size: number; lines: number; markdown: boolean; binary: boolean }