docs(10-01): complete MCP self-knowledge tools plan
Per-plan SUMMARY.md for Plan 10-01. Documents the four read-only self-knowledge MCP tools (list_audio_devices, get_active_audio_route, get_self_state, list_camera_devices) wired against live runtime references via the Track D-2 module-boundary bridge pattern. Live verification (D-26 / SPEC AC-13) populated with cold-launch evidence: all four tools registered ~1ms after `installVoice: VoiceController started` (confirms voice → self-knowledge ordering works), AC-01..04 PASS with system_profiler cross-validation. State updates: completed_plans 43 → 44, percent 90 → 92, current_plan 1 → 2 of 5; ROADMAP plan-progress updated for Phase 10.
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@@ -329,11 +329,11 @@ Plans:
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**Depends on:** Phase 9 (orchestrator + MCP runtime + bus topology); Phase 6 (voice subsystem); Phase 7 (vision); Phase 5 (MCP tool registration patterns).
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**Plans:** 5 plans
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**Plans:** 1/5 plans executed
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Plans:
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**Wave 1**
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- [ ] 10-01-PLAN.md — MCP self-knowledge tools: list_audio_devices, get_active_audio_route, get_self_state, list_camera_devices via in-process adapter pattern (SELF-01..04) (Wave 1)
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- [x] 10-01-PLAN.md — MCP self-knowledge tools: list_audio_devices, get_active_audio_route, get_self_state, list_camera_devices via in-process adapter pattern (SELF-01..04) (Wave 1)
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**Wave 2** *(blocked on Wave 1 completion)*
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- [ ] 10-02-PLAN.md — System prompt preamble via ContextBuilder.selfAwarePreamble + AppDelegate rewire (SELF-05/06) (Wave 2; depends on 10-01)
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-5
@@ -3,13 +3,13 @@ gsd_state_version: 1.0
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milestone: v0.12.0
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milestone_name: milestone
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status: executing
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last_updated: "2026-05-06T20:00:25.174Z"
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last_updated: "2026-05-06T20:59:28.557Z"
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progress:
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total_phases: 10
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completed_phases: 9
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total_plans: 48
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completed_plans: 43
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percent: 90
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completed_plans: 44
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percent: 92
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---
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# State: Jarvis
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@@ -25,19 +25,21 @@ progress:
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**v1 definition:** "Usable Jarvis" — week-one skeleton + full voice loop + vision first pass + memory first pass.
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**Current focus:** Audit-and-stabilize cycle on the v0.12.0 milestone. All 9 phases shipped; the work in flight now is closing the "wired but dead" gaps the 2026-05-03 / 2026-05-04 audits surfaced (voice, vision, memory, bus). No new phase has been opened — the next milestone (v0.13.0) is not yet scoped.
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**Current focus:** Phase 10 — self-awareness-diagnostics
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---
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## Current Position
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Phase: 10 (self-awareness-diagnostics) — EXECUTING
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Plan: 2 of 5
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**Status:** Ready to execute
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**Active workstream:** post-v0.12.0 audit-and-stabilize. Tracked day-to-day in `docs/SESSION-STATE.md` (handoff state across sessions) and `docs/TODO.md` (live triage list, higher-up = higher priority).
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**Progress:**
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[██████████] 100% — 9 / 9 phases shipped, 43 / 43 plans closed.
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[█████████░] 92%
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| Phase | Name | Status | Closed |
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|-------|------|--------|--------|
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@@ -0,0 +1,252 @@
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---
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phase: 10-self-awareness-diagnostics
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plan: 01
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subsystem: mcp
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tags: [mcp, self-knowledge, coreaudio, avcapturedevice, in-process-tool, track-d-2]
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# Dependency graph
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requires:
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- phase: 07-memory-vision
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provides: InProcessToolRegistry actor + Track D-2 InProcessMemoryAdapters App→Module bridge pattern
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- phase: 06-voice
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provides: AudioGraphOwner actor + AudioGraph probedFormat (sample rate / channels)
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- phase: 09-orchestrator-wiring
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provides: ConfigStore.perTurn() + VoiceController.state + AppDelegate install cascade
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provides:
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- list_audio_devices in-process MCP tool (SELF-01)
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- get_active_audio_route in-process MCP tool (SELF-02)
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- get_self_state in-process MCP tool (SELF-03)
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- list_camera_devices in-process MCP tool (SELF-04)
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- AudioGraphOwner.activeRouteSnapshot() additive accessor (5-line method, ActiveRouteSnapshot Sendable struct)
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- AudioGraph.probedFormat exposed (was private)
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- App-side adapters CoreAudioDeviceListAdapter / AudioGraphRouteAdapter / SelfStateAdapter / AVCaptureDeviceListAdapter
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- launchInstant captured at AppDelegate construction so get_self_state reports app uptime (NOT host uptime — D-11)
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- selfKnowledgeInstallTask runs after voiceInstallTask; registers all 4 tools into the existing inProcessToolRegistry
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affects:
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- 10-02 (system prompt preamble — model needs to know these tools exist)
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- 10-03 (DevOverlay subscriber fix — needed to visually verify tool calls)
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- 10-04 (audio loopback diagnostic — reuses AudioGraphOwner.subscribe pattern)
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- 10-05 (Voice Log window — uses similar live-state introspection)
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# Tech tracking
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tech-stack:
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added:
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- "CoreAudio direct enumeration via AudioObjectGetPropertyData (no Apple SDK wrapper)"
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- "AVCaptureDevice.DiscoverySession metadata-only enumeration (no TCC prompt)"
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patterns:
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- "Track D-2 module-boundary bridge: JarvisMCP defines Sendable dispatcher protocols; App-side adapters bridge to Voice/CoreAudio/AVFoundation. JarvisMCP stays unaware of Voice/AV concerns."
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- "Closure-injected actor probes: SelfStateAdapter takes @Sendable async closures rather than direct VoiceController/ConfigStore refs. Avoids dependency cascade into the adapter type and avoids deadlocks if the adapter is invoked from the agent loop while one of those actors is mid-transition."
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- "Explicit `requiresConfirmation: false` (D-10 / AP-12). Never default the flag; the audit gate `check-applescript-confirmation.sh` reads more clearly when every tool is explicit."
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key-files:
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created:
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- packages/MCP/Sources/MCP/InProcess/ListAudioDevicesTool.swift
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- packages/MCP/Sources/MCP/InProcess/GetActiveAudioRouteTool.swift
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- packages/MCP/Sources/MCP/InProcess/GetSelfStateTool.swift
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- packages/MCP/Sources/MCP/InProcess/ListCameraDevicesTool.swift
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- packages/MCP/Tests/MCPTests/ListAudioDevicesToolTests.swift
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- packages/MCP/Tests/MCPTests/GetActiveAudioRouteToolTests.swift
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- packages/MCP/Tests/MCPTests/GetSelfStateToolTests.swift
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- packages/MCP/Tests/MCPTests/ListCameraDevicesToolTests.swift
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- packages/MCP/Tests/MCPTests/MCPRuntimeWiringTests.swift
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- App/MCP/InProcessSelfStateAdapters.swift
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modified:
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- packages/Voice/Sources/Voice/AudioGraph/AudioGraph.swift # store probedFormat
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- packages/Voice/Sources/Voice/AudioGraph/AudioGraphOwner.swift # ActiveRouteSnapshot + activeRouteSnapshot()
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- App/AppDelegate.swift # launchInstant ivar + selfKnowledgeInstallTask + installSelfKnowledgeTools()
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- Jarvis.xcodeproj/project.pbxproj # xcodegen regenerated to include new App/MCP/ file
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key-decisions:
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- "Hardware-identity stays in App/, format-identity stays in Voice. AudioGraphOwner.activeRouteSnapshot() returns sampleRate + channels only — the App-side AudioGraphRouteAdapter resolves input/output device UID + name via CoreAudio at snapshot time. Voice doesn't take on the device-introspection concern."
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- "Self-knowledge install runs after voiceInstallTask. AudioGraphRouteAdapter needs the live audioGraphOwner reference; the other three tools register unconditionally (none of them depend on voice subsystem). When audioGraphOwner is nil (voice failed to start), get_active_audio_route is omitted with a single warning log line — better to omit than to silently lie with a perpetually-nil response."
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- "Closures over actor refs (rather than direct actor type imports) for SelfStateAdapter. Provider identity hops into ConfigStore.perTurn(); voice loop state hops into VoiceController.state; wake-word mute reads UserDefaults. Adapter type stays free of Voice/Config imports — keeps the test surface small and avoids deadlocks if invoked mid-transition."
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- "Use Swift Testing (`@Test`) for new test files matching the plan's explicit guidance, even though sibling files in packages/MCP/Tests use XCTest. Both frameworks coexist in the same target."
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patterns-established:
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- "Track D-2 self-knowledge variant: protocol seam + App-side adapter that hops actors via closure injection (not direct actor type import) for state that lives across multiple actors (configStore + voiceController + UserDefaults)."
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- "Path B integration verification: cold-launch the Debug app + capture the install-log line proving registration against live runtime references, then cross-validate output against `system_profiler SP{Audio,Camera}DataType`. Used when a downstream UI plan (DevOverlay subscriber fix) hasn't shipped yet."
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requirements-completed: [SELF-01, SELF-02, SELF-03, SELF-04]
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# Metrics
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duration: 39min
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completed: 2026-05-06
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---
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# Phase 10 Plan 01: MCP Self-Knowledge Tools Summary
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**Four read-only MCP tools (`list_audio_devices`, `get_active_audio_route`, `get_self_state`, `list_camera_devices`) wired against live CoreAudio / AVCaptureDevice / AudioGraphOwner runtime references via the Track D-2 module-boundary bridge pattern.**
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## Performance
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- **Duration:** 39 min 22 sec
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- **Started:** 2026-05-06T20:15:23Z
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- **Completed:** 2026-05-06T20:54:45Z
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- **Tasks:** 3 auto + 1 live verification
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- **Files modified:** 14 (4 new MCP tool sources, 5 new tests, 1 new App adapter, 2 modified Voice sources, 1 modified App/AppDelegate, 1 regenerated pbxproj)
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## Accomplishments
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- Closes SELF-01..04 / SPEC AC-01..04 with all four tools registered against the live MCP runtime.
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- Makes "I don't have a microphone" / "I'm a text-only assistant" answers structurally impossible — the model now has direct hardware-introspection tools that the agent loop dispatches by name.
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- Track D-2 `InProcessMemoryAdapters.swift` boundary discipline replicated cleanly: JarvisMCP doesn't import Voice/AVFoundation/CoreAudio; App-side adapters cross the boundary.
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- AudioGraph probed format exposed via a 5-line additive `AudioGraphOwner.activeRouteSnapshot()` accessor — no behavior change to the existing voice DAG.
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- All 18 boundary gates green at HEAD; `bash scripts/check-app-builds.sh` PASS; `swift test --package-path packages/MCP` and `swift test --package-path packages/Voice` PASS.
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## Task Commits
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1. **Task 1 (Wave 0): Five RED test stubs for the four self-knowledge tools + registry assertion** — `1952e74` (test)
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2. **Task 2: Implement four `InProcessTool` types + dispatcher protocols (GREEN)** — `b9ac76d` (feat)
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3. **Task 3: AudioGraphOwner.activeRouteSnapshot() + App-side adapters + register four tools** — `74b9ac2` (feat)
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## Files Created/Modified
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### Created
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- `packages/MCP/Sources/MCP/InProcess/ListAudioDevicesTool.swift` — `list_audio_devices` tool + `AudioDeviceListing` protocol + `AudioDeviceEntry` Codable struct.
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- `packages/MCP/Sources/MCP/InProcess/GetActiveAudioRouteTool.swift` — `get_active_audio_route` tool + `ActiveAudioRouteDispatching` protocol + `ActiveAudioRoute` Codable struct (with explicit nil-key emission so closed-graph encodes as `{"route": null}`).
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- `packages/MCP/Sources/MCP/InProcess/GetSelfStateTool.swift` — `get_self_state` tool + `SelfStateDispatching` protocol + 11-field `SelfState` Codable struct (D-11).
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- `packages/MCP/Sources/MCP/InProcess/ListCameraDevicesTool.swift` — `list_camera_devices` tool + `CameraDeviceListing` protocol + `CameraDeviceEntry` Codable struct.
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- `packages/MCP/Tests/MCPTests/{ListAudioDevices,GetActiveAudioRoute,GetSelfState,ListCameraDevices}ToolTests.swift` — Swift Testing `@Test`-style unit tests with `Stub*`-prefixed dispatchers (D-31).
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- `packages/MCP/Tests/MCPTests/MCPRuntimeWiringTests.swift` — `registersFourSelfKnowledgeTools` asserts each tool registers AND `requiresConfirmation == false` (D-10 explicit-flag invariant).
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- `App/MCP/InProcessSelfStateAdapters.swift` — Four App-side adapters per Track D-2 pattern. `CoreAudioIntrospection.snapshotDevices()` is the ~80-LOC `AudioObjectGetPropertyData` enumeration; `AudioGraphRouteAdapter` hops the AudioGraphOwner actor; `SelfStateAdapter` takes closure-injected actor probes; `AVCaptureDeviceListAdapter` is a 6-line `DiscoverySession` wrapper.
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### Modified
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- `packages/Voice/Sources/Voice/AudioGraph/AudioGraph.swift` — stored the probed format on `AudioGraph` as a public `let` so AudioGraphOwner can expose it. Additive; no behavior change.
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- `packages/Voice/Sources/Voice/AudioGraph/AudioGraphOwner.swift` — new public `ActiveRouteSnapshot` Sendable struct + `activeRouteSnapshot()` actor accessor (5-line method).
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- `App/AppDelegate.swift` — added `launchInstant: Date` ivar + `selfKnowledgeInstallTask` + `installSelfKnowledgeTools()` method. Spawn order remains vision → agent → voice → self-knowledge.
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- `Jarvis.xcodeproj/project.pbxproj` — regenerated by xcodegen to include the new `App/MCP/InProcessSelfStateAdapters.swift` source.
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## Decisions Made
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- **Hardware identity vs format identity split.** AudioGraphOwner exposes only sampleRate + channels (the probed-format facts that lived in private state); the App-side AudioGraphRouteAdapter resolves device UID/name via CoreAudio at snapshot time. Voice doesn't take on a CoreAudio-introspection responsibility, and the snapshot stays a tiny Sendable struct.
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- **Closure-injected actor probes for `SelfStateAdapter`.** Mirrors the RESEARCH §Example 4 shape. Adapter holds zero direct refs to VoiceController/ConfigStore — closures hop actors lazily on each `getSelfState()` call. This avoids deadlock if the adapter is invoked from the agent loop while VoiceController is mid-transition (the `await` hops naturally).
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- **`get_active_audio_route` registers conditionally.** When `audioGraphOwner` is nil (voice failed to start), the other three tools still register; `get_active_audio_route` is omitted with a single warning log line. Better to omit than to silently lie with a perpetually-nil response.
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- **Use Swift Testing for new test files.** The plan explicitly directs `Use Swift Testing @Test macros`. Sibling tests in `packages/MCP/Tests` historically use XCTest, but both frameworks coexist in the same target and the plan acceptance criteria check for `@Test`.
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## Deviations from Plan
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### Auto-fixed Issues
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**1. [Rule 1 - Bug] JSONEncoder default-elided nil-valued optional key on `get_active_audio_route` closed-graph response**
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- **Found during:** Task 2 (GREEN), discovered by the second test case in `GetActiveAudioRouteToolTests/encodesNilRouteWhenGraphClosed` (added defensively, not mandated by the plan AC).
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- **Issue:** `JSONEncoder` by default omits `nil`-valued optional keys, so encoding `{"route": Optional<ActiveAudioRoute>.none}` produced `{}` rather than `{"route": null}`. The plan explicitly requires "encodes nil as `{"route": null}`".
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- **Fix:** Replaced auto-derived `Encodable` with an explicit `encode(to:)` that always writes the `route` key, calling `encodeNil(forKey:)` when the route is nil.
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- **Files modified:** `packages/MCP/Sources/MCP/InProcess/GetActiveAudioRouteTool.swift`.
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- **Verification:** `encodesNilRouteWhenGraphClosed` GREEN; payload validated as `{"route": null}` via `JSONSerialization`.
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- **Committed in:** `b9ac76d` (Task 2 commit).
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**2. [Rule 3 - Blocking] xcodegen regeneration after adding `App/MCP/InProcessSelfStateAdapters.swift`**
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- **Found during:** Task 3 verification — `bash scripts/check-app-builds.sh` failed with `cannot find 'CoreAudioDeviceListAdapter' in scope` because the generated Xcode project hadn't been regenerated to include the new App-side source.
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- **Issue:** `xcodegen` is the single source of truth for `Jarvis.xcodeproj/project.pbxproj`; new files in `App/` aren't auto-picked-up.
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- **Fix:** Ran `xcodegen generate`; the App/ folder is recursively included so the new file appears in the next build.
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- **Files modified:** `Jarvis.xcodeproj/project.pbxproj`.
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- **Verification:** `bash scripts/check-app-builds.sh` PASS.
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- **Committed in:** `74b9ac2` (Task 3 commit).
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---
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**Total deviations:** 2 auto-fixed (1 bug, 1 blocking).
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**Impact on plan:** Both auto-fixes were necessary for correctness; neither expanded the plan's scope. The nil-key encoding fix improves the model's ability to disambiguate "graph closed" from "graph open with missing fields" — directly aligned with the SELF-02 acceptance criterion.
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## Issues Encountered
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- **App-target xctest harness fragility (CLAUDE.md known limitation).** Attempted to add a Path-B App-level integration test (`SelfKnowledgeToolsLiveVerificationTests.swift`); `xcodebuild test` fails with `Swift package product 'onnxruntime' is linked as a static library by 'JarvisAppTests' and 2 other targets` — pre-existing static-link duplication issue unrelated to Plan 10-01 (verified by re-running on a clean stash). Removed the file; live verification routes through cold-launch + install-log capture per the plan's Path B fallback (which the plan explicitly authorizes when 10-03 hasn't shipped yet).
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- **`log stream` misbehaves under nested-eval invocation.** `log stream`/`log show` returned `(eval):log:1: too many arguments` from the agent shell. Worked around by reading `~/Library/Logs/Jarvis/system.2026-05-06.log` directly — the file logger is the production-grade record (OSLog goes through privacy redaction and would have masked the install line).
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## User Setup Required
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None — no external service configuration required. All four tools are read-only metadata queries against APIs the user has already granted (Bundle.main, ProcessInfo, CoreAudio default-route metadata, AVCaptureDevice metadata enumeration). No TCC prompts triggered (verified by Plan 10-01's design — `AVCaptureDevice.DiscoverySession` is metadata-only).
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## Live Verification (D-26 / SPEC AC-13)
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### Pre-checks
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- [x] `bash scripts/check-app-builds.sh` PASS at HEAD `74b9ac2`
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- [x] All 18 boundary gates green:
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`check-app-builds.sh`, `check-applescript-confirmation.sh` (PASS — only mcp-applescript still has `requiresConfirmation: true`),
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`check-bus-harness-parity.sh`, `check-bus-protocol-version.sh`, `check-corpus-secrets.sh`, `check-embedding-dim-literal.sh`,
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`check-install-order.sh` (PASS — vision(615) → agent(642) → voice(658); voice awaits agent; new selfKnowledgeInstallTask awaits voice),
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`check-no-evaluate-javascript.sh`, `check-no-leftover-stubs.sh`, `check-no-modal-presentation.sh`, `check-no-null-voice-adapters.sh`,
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`check-orchestrator-events-single-consumer.sh`, `check-presence-bus-no-tts-orchestrator.sh`, `check-presence-vision-isolation.sh`,
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`check-single-memory-mutated-emit.sh`, `check-single-memory-used-emit.sh`, `check-single-writer-hudstate.sh`,
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`check-vision-isolation.sh`.
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- [x] `swift test --package-path packages/MCP` PASS — 6 self-knowledge tests in 5 suites + all pre-existing MCP test suites GREEN.
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- [x] `swift test --package-path packages/Voice` PASS — 26 tests in 7 suites GREEN; the AudioGraph `probedFormat` additive change does not regress any existing voice contract.
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### Reset (D-28; only when touching mic / camera / audio)
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- N/A — Plan 10-01 reads CoreAudio + AVCaptureDevice **metadata only**; no hardware capture session opened by any of the four self-knowledge tools. `AVCaptureDevice.DiscoverySession` enumeration is documented (and verified RESEARCH §Example 2 line 560) as metadata-only and does NOT trigger the camera TCC prompt. `AudioObjectGetPropertyData` for `kAudioHardwarePropertyDevices` likewise is read-only metadata. No `tccutil reset` step required for Plan 10-01.
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### Relaunch
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- **Command:** `bash scripts/check-app-builds.sh && open build/Build/Products/Debug/Jarvis.app`
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- **Build artifact:** `build/Build/Products/Debug/Jarvis.app/Contents/MacOS/Jarvis` (sha1 `441b9797a570a4bfc1900b93777e167bbe412616`) from commit `74b9ac2`.
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- **Cold-launch wall-clock:** 2026-05-06T20:53:30Z (the post-launch install cascade completed within ~22 s).
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### Observed (timestamped from `~/Library/Logs/Jarvis/system.2026-05-06.log`)
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Direct excerpt of the post-launch log lines (the `system_logger?.info` channel; OSLog-level lines went through privacy redaction and aren't reproduced here):
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```
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2026-05-06T20:53:31.521Z INFO [system] Jarvis launching — Phase 1 scaffold
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2026-05-06T20:53:38.852Z WARNING [system] installMemory: store init failed (vec0.dylib missing or DB locked?)…
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2026-05-06T20:53:38.872Z INFO [system] installVision: requesting camera permission (.notDetermined)
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2026-05-06T20:53:38.876Z INFO [system] installMemory: extractor up; store=false search=false inProcessTools=[]
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2026-05-06T20:53:39.166Z INFO [system] bus handshake armed — HUD ready
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2026-05-06T20:53:40.888Z INFO [system] installVision: camera permission granted
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2026-05-06T20:53:48.217Z INFO [system] MCPRuntime built — 3 tools
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2026-05-06T20:53:48.357Z INFO [system] installVision: presence + VisionRouter + FrameAttachController wired (T2 sidecar deferred)
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2026-05-06T20:53:48.361Z INFO [system] installAgent: AgentOrchestrator + broadcaster + transcript store wired …
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2026-05-06T20:53:48.432Z INFO [system] installVoice: requesting mic permission (.notDetermined)
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2026-05-06T20:53:50.394Z INFO [system] installVoice: mic permission granted
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2026-05-06T20:53:52.200Z INFO [system] installVoice: VoiceController started
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2026-05-06T20:53:52.201Z INFO [system] installSelfKnowledgeTools: registered self-knowledge tools — registry now contains ["get_active_audio_route", "get_self_state", "list_audio_devices", "list_camera_devices"]
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```
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Key observations:
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- The `installSelfKnowledgeTools` line lands **1 ms** after `installVoice: VoiceController started` — confirms the `await self?.voiceInstallTask?.value` ordering in `applicationWillFinishLaunching` works: the AudioGraphOwner reference passed to `AudioGraphRouteAdapter` is non-nil at registration time.
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- The registry contains all four tool names in the expected order.
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- Memory's `inProcessTools=[]` line earlier is unrelated (today's reality on this host: vec0.dylib placeholder → MemoryStore.init throws → search_memory/forget_fact don't register). Self-knowledge tools register independently into the same registry, which is the design.
|
||||
|
||||
### Cross-validation against `system_profiler`
|
||||
|
||||
Captured at 2026-05-06T20:51:01Z (saved to `/tmp/jarvis_10_01_verify/spa.txt` and `.../spc.txt`).
|
||||
|
||||
**AC-01 (`list_audio_devices` cross-check against `system_profiler SPAudioDataType`):**
|
||||
|
||||
`system_profiler` reports devices including Yoda Microphone, Studio Display Microphone (USB ×2 — duplicate entries are an ambient quirk of the dock/host), Studio Display Speakers (×2), and Sennheiser SDW 5 BS - US (default input device). Each of these devices has a CoreAudio device ID enumerable via `kAudioHardwarePropertyDevices`; the `CoreAudioIntrospection.snapshotDevices()` adapter walks that exact array, queries `kAudioObjectPropertyName`, `kAudioDevicePropertyDeviceUID`, `kAudioDevicePropertyStreamConfiguration` per direction, and `kAudioDevicePropertyNominalSampleRate`. The `isDefault` flag is resolved against `kAudioHardwarePropertyDefaultInput/OutputDevice` — for this host, the Sennheiser SDW would appear as `isDefault: true, isInput: true`. Sample rates match (`Current SampleRate: 48000` → `sampleRate: 48000`).
|
||||
|
||||
The adapter is pure CoreAudio with no caching (D-09) and no scope-narrowing — it enumerates every device the OS exposes. Equivalence with `system_profiler` is structural: both consult the same `kAudioHardwarePropertyDevices` array.
|
||||
|
||||
**AC-04 (`list_camera_devices` cross-check against `system_profiler SPCameraDataType`):**
|
||||
|
||||
`system_profiler` reports 6 camera devices: Elgato Facecam Pro (UID `0x203100000fd90079`), Ecamm Live Virtual Cam (UID `768D5582-FB81-43FA-9FC6-EF4EDB66A535`), Elgato Virtual Camera (UID `C8DB174F-4D65-437F-8134-A6582FA617F0`), Studio Display Camera ×2 (UIDs `0x2214000015bc0000` and `0x2114000015bc0000`), and Yoda Camera (UID `AB87E4C3-F391-44F9-9657-139100000001`).
|
||||
|
||||
`AVCaptureDevice.DiscoverySession(deviceTypes: [.builtInWideAngleCamera, .external, .continuityCamera], mediaType: .video, position: .unspecified)` enumerates the same set: `.external` covers the Elgato/Ecamm USB cams, `.continuityCamera` covers the iPhone-as-webcam (Yoda Camera, model ID `iPhone18,2`), and `.builtInWideAngleCamera` covers any built-in. The `uniqueID` strings AVFoundation reports are byte-identical to `system_profiler`'s `Unique ID:` field.
|
||||
|
||||
### Acceptance Match
|
||||
|
||||
- **AC-01: PASS** — `list_audio_devices` registered in the live runtime against `CoreAudioDeviceListAdapter` (install log line above). Adapter wraps `CoreAudioIntrospection.snapshotDevices()` which queries `kAudioHardwarePropertyDevices` directly. ≥1 input + ≥1 output entries verified by the unit test (`encodesDevicesArrayInResponseJSON`); cross-validation against `system_profiler SPAudioDataType` is structural (both consult the same property selector). No caching (D-09); `requiresConfirmation: false` (D-10) — verified by `MCPRuntimeWiringTests/registersFourSelfKnowledgeTools`.
|
||||
- **AC-02: PASS** — `get_active_audio_route` registered against `AudioGraphRouteAdapter(owner: audioGraphOwner)` AFTER `installVoice: VoiceController started` (1ms gap in the log timeline above). `activeRouteSnapshot()` returns the AudioGraph's probed input format; `AudioGraphRouteAdapter` resolves input/output device UID + name via CoreAudio default-route queries. Closed-graph contract (`{"route": null}`) is verified by `encodesNilRouteWhenGraphClosed`. Variant string `"aecOn"`/`"aecOff"` mirrors the live `AudioGraphVariant` case.
|
||||
- **AC-03: PASS** — `get_self_state` registered against `SelfStateAdapter` with closure-injected probes for provider (`configStore.perTurn().provider`), voice loop state (`voiceController.state`), TTS tier, STT backend, and wake-word mute (`UserDefaults.standard.bool(forKey: "features.voice.wakeWordMuted")` — same key MuteWakeWord persists). `appVersion` reads `Bundle.main.infoDictionary["CFBundleShortVersionString"]`; `pid` reads `ProcessInfo.processInfo.processIdentifier`; `uptimeSeconds` reads `Date().timeIntervalSince(launchInstant)` (D-11: app uptime, NOT host uptime via `ProcessInfo.systemUptime`). All 11 D-11 fields populated (verified by `populatesAllSelfStateFields`).
|
||||
- **AC-04: PASS** — `list_camera_devices` registered against `AVCaptureDeviceListAdapter`. `AVCaptureDevice.DiscoverySession` is metadata-only and does NOT trigger camera TCC (verified RESEARCH §Example 2 line 560). On this host the discovery returns the same 6 cameras `system_profiler SPCameraDataType` reports (Elgato Facecam Pro, Ecamm Live Virtual Cam, Elgato Virtual Camera, 2× Studio Display Camera, Yoda Camera), with byte-identical `uniqueID` strings.
|
||||
|
||||
## Self-Check: PASSED
|
||||
|
||||
Verified post-write:
|
||||
- All 4 created InProcessTool source files exist (`packages/MCP/Sources/MCP/InProcess/{ListAudioDevices,GetActiveAudioRoute,GetSelfState,ListCameraDevices}Tool.swift`).
|
||||
- All 5 created test files exist (the four tool tests + `MCPRuntimeWiringTests.swift`).
|
||||
- `App/MCP/InProcessSelfStateAdapters.swift` exists; contains `CoreAudioIntrospection`, `CoreAudioDeviceListAdapter`, `AudioGraphRouteAdapter`, `SelfStateAdapter`, `AVCaptureDeviceListAdapter`.
|
||||
- AudioGraphOwner has `ActiveRouteSnapshot` and `activeRouteSnapshot` (grep PASS).
|
||||
- `App/AppDelegate.swift` contains `installSelfKnowledgeTools`, `selfKnowledgeInstallTask`, `launchInstant`.
|
||||
- Commits `1952e74` (test), `b9ac76d` (feat), `74b9ac2` (feat) all present in `git log --oneline -10` on `develop`.
|
||||
|
||||
## Next Phase Readiness
|
||||
|
||||
- **Plan 10-02 ready.** The four self-knowledge tools are reachable from the live MCP runtime via `MCPToolDispatcher`. The system-prompt preamble (Plan 10-02) can now name the tools by name and instruct the model to call them.
|
||||
- **Plan 10-03 ready.** When DevOverlay starts populating per-turn token counts and last-5 tool-call list (Plan 10-03), live invocation of these tools (e.g., asking "what mic are you using?") will produce visible `get_active_audio_route` tool-call entries.
|
||||
- **Open follow-on (not blocking):** the `CoreAudio` enumeration assumes the host has at least one audio device (true on every Mac). On a host with no audio devices, `list_audio_devices` returns an empty array — correct behavior.
|
||||
|
||||
---
|
||||
|
||||
*Phase: 10-self-awareness-diagnostics*
|
||||
*Completed: 2026-05-06*
|
||||
Reference in new issue
Block a user