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fix(api): gate Slack thread sessions on the flag and make quieting explicit - #7588
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…plicit Three problems from PR A's first live test and review: - The flag only gated follow-ups; every team still got session rows and thread memory. The handler now checks it once per delivery and runs the Phase 0 path untouched when it is off. - The Slack events route awaited PostHog before acknowledging. The flag is now cached per team for a minute with a one second bound, failing closed. - A regex quieted the thread on any message containing "only respond ... mention", and nothing could un-quiet it. Quieting is now explicit: `!mute` / `!unmute` commands handled deterministically, plus a `slack_thread_quiet` tool the model can call in either direction, with the thread's current state in its context. Claude-Session: https://claude.ai/code/session_01YDDSQYG6WSZn4jXWTR3Pid
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Included review availability: Your plan provides up to 10 included reviews per hour; 4 remain after this review. 📝 WalkthroughWalkthroughSlack thread quieting now uses feature-gated ChangesSlack thread quiet-mode control
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant Slack
participant processAgentMessage
participant runSlackAgent
participant thread-sessions
Slack->>processAgentMessage: thread message
processAgentMessage->>thread-sessions: check follow-up flag
processAgentMessage->>thread-sessions: parse command
alt recognized mute or unmute command
processAgentMessage->>thread-sessions: persist quiet state
processAgentMessage->>Slack: post command response
else regular message with session
processAgentMessage->>runSlackAgent: pass threadQuiet state
runSlackAgent->>thread-sessions: set requested quiet state
end
Merge Risk: 🔵 Low · up to Concurrent Slack deliveries can make redundant feature-flag requests, and a quiet-mode tool change can leave the next model request with contradictory thread instructions. These are bounded issues but should be corrected before broad rollout. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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- clear the flag timeout timer so a fast PostHog answer leaves no pending timer behind on a serverless invocation - check the cached flag before the connection lookup in the events route, so unmentioned replies in unflagged teams cost no database read - ignore !mute/!unmute and withhold the quiet tool in DMs, where every message already reaches the agent - strip `<@U…|name>` mentions as well as `<@U…>` before command parsing - tell the model the !mute/!unmute commands exist Claude-Session: https://claude.ai/code/session_01YDDSQYG6WSZn4jXWTR3Pid
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Inline comments:
In `@apps/api/src/app/api/integrations/slack/events/utils/run-agent/run-agent.ts`:
- Around line 604-608: The request flow must rebuild the quiet-state system
context after slack_thread_quiet mutates params.threadQuiet.quiet. Move
threadState and contextualSystem construction into request(), or regenerate them
after the setter completes, and add a two-iteration test verifying the second
request contains the updated context.
In
`@apps/api/src/app/api/integrations/slack/events/utils/thread-sessions/thread-sessions.ts`:
- Line 42: Update the feature-flag cache used by threadFollowUpsEnabled to store
the in-flight lookup promise for each uncached team, so concurrent callers share
one posthog.isFeatureEnabled request; replace that promise with the resolved,
expiry-bearing entry after completion, and add a concurrent test asserting only
one PostHog call.
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📒 Files selected for processing (8)
apps/api/src/app/api/integrations/slack/events/process-agent-message/process-agent-message.test.tsapps/api/src/app/api/integrations/slack/events/process-agent-message/process-agent-message.tsapps/api/src/app/api/integrations/slack/events/route.test.tsapps/api/src/app/api/integrations/slack/events/utils/run-agent/run-agent.test.tsapps/api/src/app/api/integrations/slack/events/utils/run-agent/run-agent.tsapps/api/src/app/api/integrations/slack/events/utils/thread-sessions/index.tsapps/api/src/app/api/integrations/slack/events/utils/thread-sessions/thread-sessions.test.tsapps/api/src/app/api/integrations/slack/events/utils/thread-sessions/thread-sessions.ts
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- !mute/!unmute now run behind the delivery guard, so a redelivery cannot reapply a setting a newer command has changed, and cannot post twice - an unmentioned thread reply the flag admitted at enqueue time is dropped if the worker sees the flag off, so the unflagged path never runs the agent for one; mentions and DMs are unaffected Claude-Session: https://claude.ai/code/session_01YDDSQYG6WSZn4jXWTR3Pid
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* docs: update weekly product documentation for September 23 Source of truth: live Notion SOP https://www.notion.so/3b3b9d5bf616810dbacaca7dd2305259 Window: GitHub merged:>=2026-09-16, through this run on 2026-09-23. gh returned 103 PRs (limit 1000, avoiding the SOP example’s 50-PR truncation). Workspace baseline: 2158895. Prior session stopped at a usage limit; the checkout was clean. ## Changes - Pages, CLI, and MCP: public sharing, workspace menus, origin labels, pagination, first-publish opening, version previews, mobile comments, and link handling: #7570, #7658, #7726, #7472, #7532, #7718. Files: pages.mdx; cli/cli-reference.mdx; mcp-server.mdx. - iPhone launch, requirements, setup, host states, and Pro checklist: #7703, #7686, #7697, #7661, #7642, #7494. Files: install.mdx; faq.mdx; overview.mdx; remote-access.mdx. - Editor save conflicts and Markdown link actions: #7711, #7621. Files: editor.mdx. - Terminal locations, copying, and ended-session recovery: #7712, #7709, #7618. Files: terminal-integration.mdx. - Model catalog, embedded sign-in, and leaderboard history: #7741, #7740, #7651. Files: agent-integration.mdx; usage.mdx; cli/cli-reference.mdx. - Repository picker, cloud working branches and attachments, mobile sessions, sidebar naming and ordering: #7694, #7620, #7622, #7633, #7604, #7650, #7575. Files: first-workspace.mdx; workspaces.mdx. - Slack plugin tools and gated thread follow-ups, queuing, mute and stop controls: #7583, #7585, #7586, #7588, #7592, #7594. Files: use-with-slack.mdx. - New CLI transcript, environment, and page deletion commands; connected-service plugins and MCP CLI migration: #7602, #7317. Files: cli/cli-reference.mdx; skills.mdx. - Startup recovery and pre-account workspace migration: #7764, #7649. Files: troubleshooting.mdx. Current source wins over PR descriptions: page ordering is newest-created first, search includes description, default CLI output remains a bare array, and the leaderboard automatically backfills since launch (there is no history-range picker). Slack thread commands and Mobile settings retain their availability qualifications. No assumption that every merged fix is already in the latest download. ## Deliberately skipped - [#7765](#7765) fix(host-service): report GitHub being unreachable as unavailable, not a 500: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7756](#7756) fix(pages): restore page.list's bare-array contract for released clients: Restores compatibility for released clients; checked the current listPaginated implementation when documenting #7726. - [#7749](#7749) fix(build): build every dist-types a filtered mobile typecheck needs: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7748](#7748) feat(mobile): refresh the App Store listing and load review creds from .env: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7747](#7747) feat(mobile): ask for a rating on returning Home after real use: App Store rating timing needs no setup or reference instructions. - [#7746](#7746) feat(mobile): start Sentry natively so launch crashes carry native context: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7744](#7744) fix(email): make the welcome email unsubscribable via a Resend automation: Welcome email unsubscribe delivery is not a product workflow needing docs. - [#7734](#7734) fix(desktop): restore locale provider test mocks: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7733](#7733) fix(marketing): hide leaderboard vertical guide lines: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7732](#7732) chore(desktop): bump version to 1.30.2: Version bump only. - [#7723](#7723) fix(desktop): preserve sidebar order and missing group members: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7717](#7717) fix(desktop): keep terminal links within URL boundaries: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7715](#7715) fix(ci): unblock CLI publishing and retry macOS installs: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7714](#7714) fix(desktop): prevent tab close clicks from starting a drag: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7710](#7710) feat(marketing): add Vladimir mobile testimonial and rank quotes: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7704](#7704) feat(marketing): add App Store icon to footer: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7701](#7701) chore(desktop): bump version to 1.30.1: Version bump only. - [#7700](#7700) fix(marketing): refine hero copy and demo details: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7698](#7698) feat(marketing): replace mobile feature cards with customer testimonials: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7696](#7696) fix: write managed configs and workspace files through symlinks: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7695](#7695) fix(marketing): isolate and scale the mobile phone demo: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7691](#7691) fix(terminal): preserve agent paste mode across host restarts: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7690](#7690) feat(marketing): showcase mobile workflows and simplify the homepage: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7689](#7689) chore(mobile): bump version to 1.1.1 for TestFlight: Version bump only. - [#7688](#7688) fix(desktop): resolve dev Dock names across workspace path aliases: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7685](#7685) docs(marketing): add September 20 weekly changelog: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7684](#7684) docs(skills): share mobile demo recording and film tooling: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7683](#7683) fix(ui): truncate the page title instead of running it under the header actions: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7680](#7680) fix(host-service): treat a socket torn down mid-request as the cloud being unreachable: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7678](#7678) fix(desktop): keep markdown link and image attributes as strings so a paste can't stop the editor saving: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7676](#7676) docs(db): migration safety checklist and deploy workflow pitfalls from the 17 September outage: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7675](#7675) fix(integrations): backfill existing connections into the table #7317 reads: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7672](#7672) fix(ci): a failed production migration can no longer pass as a success: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7671](#7671) fix(db,ci): make migration 0119 online-safe and bound production migrations: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7670](#7670) fix(desktop): send text to running terminals as a bracketed paste, not raw keystrokes: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7669](#7669) feat(skills): audit page usage in the 10x skill: Existing skills page already describes the 10x audit; page-usage audit is an internal skill refinement. - [#7668](#7668) fix(mobile): scroll-to-bottom button drives Claude Code's fullscreen view: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7666](#7666) fix(host-service): treat a gh that cannot start as no token: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7665](#7665) chore(desktop): bump version to 1.30.0: Version bump only. - [#7664](#7664) refactor(marketing): share the store badges with the mobile launch post: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7662](#7662) chore(mobile): simulator verification skill, stand-in host, and host-state flows: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7659](#7659) fix(host-service): stop the Linux file watcher from taking the host down, and make superset start recover: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7655](#7655) feat(marketing): add /mobile landing page behind the mobile-launch flag: Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7647](#7647) fix(agent-setup): restore Codex working status: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7644](#7644) fix(desktop): refresh commits after external changes: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7643](#7643) fix(mobile): a long press lifts the whole session tab, not its text: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7641](#7641) fix(desktop): harden renderer error boundaries and recovery: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7639](#7639) fix(desktop): keep the editor selection valid when external content replaces the document: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7638](#7638) fix(desktop): stop the file tree throwing when a lookup walks through a file: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7636](#7636) fix(host-service): classify an index its storage cannot deliver as environmental: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7615](#7615) fix(cli-framework,i18n): `bun run dev` runs the CLI instead of dying: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7613](#7613) fix(host-service): a terminal in a cloud workspace knows it is in one: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7611](#7611) feat(marketing): Superset Mobile launch post (hidden until launch): Marketing/store copy, layout, or launch assets; no separate product-doc change. The released iPhone workflow is covered by #7686 and #7703. - [#7608](#7608) fix(sandbox): the release probe checks the display from inside the box: Internal build, tests, migration, developer tooling, or recovery plumbing; no new user-facing instructions. - [#7606](#7606) fix(relay): tolerate slow connections with coordinated deadlines: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7605](#7605) fix(desktop): drop duplicate create-workspace submits while one is in flight: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7603](#7603) fix(desktop): preserve translation context for route errors: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7601](#7601) feat(mobile): let the workspace list scroll under a transparent header: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7598](#7598) fix(desktop): keep viewport emulation on a crashed browser pane from crashing the app: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7597](#7597) fix(host-service): pin git's diff prefixes so the Changes pane can parse every patch: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7593](#7593) fix(api): post the Slack agent's reply after its run budget is spent: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7587](#7587) fix(desktop): keep new sidebar group orders on the integer lane: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7582](#7582) fix(api): bound every Slack agent call by the run budget: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7581](#7581) feat(api): Slack agent foundation — shared handler, execution guard, thread window, model and output fixes: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. - [#7573](#7573) feat(pages): publish without a workspace: Standalone publishing is already documented in pages.mdx; preserved that guidance and included its contract in the new CLI/MCP reference. - [#7255](#7255) fix(host-service): preserve consumed Claude prompts in handoffs: Reliability or visual fix restores expected behavior; no new workflow or necessary workaround to document. ## Validation - bun install: passed; no tracked dependency changes. - bun run lint:fix: passed, no code fixes. - bun run lint: passed. - bun run --cwd apps/docs typecheck: passed. - Vale on all 16 changed docs: zero errors and warnings. Small pre-existing prose violations in touched pages were corrected to satisfy the SOP. - git diff --check: passed. Only apps/docs/content/docs/ and the required append-only root TODO log are included. No push or PR. 37 PRs drove changes; 66 were deliberately skipped as separate documentation work. * docs: correct stale claims and consolidate weekly updates Replace outdated remote-port and privacy claims, correct the 90-day leaderboard backfill cap and link settings location, and describe credential use and comment-watch registration accurately. Consolidate iPhone requirements and troubleshooting, trim repeated Pages prose, and keep launch effort details in the CLI reference. Remove the #7764 startup entry because it does not identify a fixed release and its upgrade instructions are too vague. This supersedes that item in the original PR audit. Validate with docs typecheck, lint:fix, lint, Vale (zero errors or warnings), and git diff --check. * docs: trim repeated explanations across user guides * docs: clarify iPhone cloud workspace requirements
Follow-up to #7583 (thread sessions) from its first live test and review.
Summary
slack-thread-follow-upsonce per delivery. Off: no session row, no thread memory, no quiet tool. Every non-Superset workspace runs the Phase 0 path exactly as before.!mute/!unmuteare handled deterministically without running the agent. The model also gets aslack_thread_quiettool (both directions) and its context states whether the thread is currently quiet, so "respond without being mentioned again" works.Manual QA (Superset workspace, flag on)
@Superset !mutein a thread → "I'll stay out of this thread…"; a plain reply gets no answer;@Superset !unmute→ replies answered again@Superset only reply when I mention you→ model calls the tool and confirms;@Superset go back to answering everything→ model unmutes@Superset build a bot that should only respond when mentioned→ treated as a request, not a muteslack_thread_sessionsrow is writtenTesting
bun test src/app/api/integrations/slack(80 pass)bunx tsc --noEmit --pretty falsein apps/api (exit 0)bunx biome check apps packagesFollow-ups
https://claude.ai/code/session_01YDDSQYG6WSZn4jXWTR3Pid
Summary by cubic
Gates Slack thread sessions (memory, quieting, follow-ups) behind the
slack-thread-follow-upsflag and replaces keyword-based thread muting with explicit, reversible controls.!mute/!quietand!unmute/!unquietare handled deterministically without running the agent, behind the delivery guard so redeliveries can't reapply a stale setting or post twice; in DMs they're ignored and the quiet tool is withheld.slack_thread_quiettool, sees the thread's quiet state and the!mute/!unmutecommands in its context, and can flip the state in either direction.Written for commit 4f35b92. Summary will update on new commits.
Summary by CodeRabbit
New Features
!mute,!quiet,!unmute, or!unquiet.Behavior Changes