feat(interactive-agents): async-only background task UX + Cedar HITL design#52

Merged

krokoko merged 88 commits into

aws-samples:mainfrom

scoropeza:feature/interactive-background-agents

May 5, 2026

Commits on Apr 28, 2026

docs(design): add interactive agents design document

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bgagent
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docs(implementation): add Phase 1a implementation prompt

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docs(implementation): add subagent and design-integrity rules to Phase 1a prompt

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feat(agent): add ProgressWriter for task progress events

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feat(cli): add bgagent watch command

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feat(agent): add DynamoDB Local testing infrastructure

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docs: add interactive agents Phase 1a design and guides

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docs(backlog): known gaps for future iteration

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docs(design): mark HITL section 9.3 as pending rev 4 (Cedar-driven)

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feat(agent): port ProgressWriter into agent/src/ module layout
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docs(design): Phase 1b decisions resolved (rev 4) + planning diagrams
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feat(cdk): Phase 1b Step 1 — two-runtime split + lifecycle + DDB Streams
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fix(cdk): keep Runtime construct id stable to avoid CFN replacement
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feat(agent): Phase 1b Step 2 — SSEAdapter module (real-time sibling of ProgressWriter)
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docs(design): lock endpoint choice — content-type negotiated /invocations
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feat(agent): Phase 1b Step 3 — wire SSEAdapter into pipeline/runner/server.py
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feat(cdk,cli): Phase 1b Step 4 — get-task-events ?after=<event_id> catch-up
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feat(cli): Phase 1b Step 5 — SSE client wrapper (hybrid: @ag-ui/core + fetch)
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feat(cli): Phase 1b Step 6 — bgagent watch SSE-first with polling fallback
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fix(cli): use ID token for REST, access token for AgentCore SSE
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fix(agent,cli): Phase 1b SSE path bring-up — 3 real bugs + debug infra
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docs(design): rev 5 — Branch A execution-location model + streaming research
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feat(agent): Phase 1b rev-5 Part 2 — attach-don't-spawn + HealthyBusy + multi-subscriber
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feat(cdk,cli): Phase 1b rev-5 Part 1 (WIP) — execution_mode + watch export helpers
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feat(agent,cdk,cli): Phase 1b rev-5 final — bgagent run + RUN_ELSEWHERE guard
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fix(agent,cdk,cli): Phase 1b rev-5 E2E bring-up — 3 real bugs
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fix(agent,cdk,cli,docs): Phase 1b rev-5 pre-push hardening (P0s + key nits)
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feat(cdk,docs): stranded-task reconciler (P0-c) + MAX_CONCURRENT_TASKS_PER_USER 3→10
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fix(agent,cdk,cli): rev-5 Round 1 — correctness (P1-3, P1-1, OBS-4)
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fix(agent,cli): rev-5 Round 2 — error surfacing (P1-2, P1-5)
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feat(agent,cdk): rev-5 Round 3 — observability (OBS-1/2/3, P1-4)
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refactor(agent): rev-5 Round 4a — encapsulation (TDA-1, TDA-2, TDA-6)
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refactor(agent,cdk,cli): rev-5 Round 4b — shared types (TDA-3, TDA-4, TDA-5)
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feat(agent,cdk,cli): rev-5 Round 5 — design alignment (POLL-1, DATA-1)
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docs(design): rev-5 Round 6 — followups doc reflects all landed rounds
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docs(cdk): link upstream issue for AssetImage.bind double-attach (CDK-1)
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chore(docs): v3 diagram viewport adjustments after local inspection
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feat(cdk): fan-out plane Lambda — closes last strict Phase 1b item (§8.9)
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docs(diagram): v4 reframe nudge as Phase 2 REST feature on both runtime paths
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feat(nudge): Phase 2 interactive nudge — mid-run steering via REST + between-turns hook
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docs(diagram): v5 consolidated — current state + Phase 1c/2.5/3 proposals
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docs(phase3): Cedar-HITL detailed design + 12-page draw.io companion
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docs(phase3): rewrite Cedar-HITL design — integrate review findings (rev 2)
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docs(cleanup): consolidate draw.io files under docs/diagrams/
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docs(phase3): ship Cedar-HITL as standard functionality — remove feature flag, finalize starter set, lock cedar-wasm for Lambda
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Commits on Apr 29, 2026

Commits on Apr 30, 2026

Commits on May 1, 2026

Commits on May 3, 2026

chore(L1): final-sweep hygiene pass
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test(L2): backfill regression guards from K2 final-review analysis
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feat(L3): production hardening of trace/watch/github paths
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feat(L4): self-healing trace_s3_uri + --force overwrite guard
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Commits on May 4, 2026

Commits on May 5, 2026