feat: add NotifyUser, session ratings, file history, and resumable reads - #320

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Inline comments:
In `@apps/pythinker-code/src/cli/v2/run-v2-print.ts`:
- Around line 222-223: Update the shutdown flow around
telemetryService.shutdown() so its rejection is handled as a best-effort cleanup
failure and cannot prevent app.dispose() from running or replace the original
turn failure. Preserve the existing timeout behavior and align the handling with
the other shutdown operations.
- Line 216: Update the shutdown flow around raceWithTimeout and quiesceAgents so
timeout expiration cancels quiesceSessionAgents and stops its polling timers
before disposal continues. Add and propagate an AbortSignal or equivalent
deadline through the quiescence path, ensuring pending prompt or loop waits exit
promptly while preserving normal successful quiescence behavior.
- Around line 1042-1044: Update the dispatcher flush logic in the session
quiescing flow to isolate each handle’s IEventDispatcher lookup, preventing a
synchronous accessor.get failure from aborting collection of other flush
promises. Follow the per-handle error handling pattern used by
quiesceSessionAgents, while preserving Promise.allSettled behavior so every
available dispatcher, including the main agent, is flushed.

In `@apps/pythinker-code/test/tui/components/panels/notify-panel.test.ts`:
- Around line 140-141: Replace the vacuous negative assertions in the
notify-panel test with an assertion against the actual truncation marker, or
remove them while retaining the meaningful row 1 and row 30 checks. Ensure the
test can fail if truncation behavior regresses.

In `@packages/agent-core-v2/src/agent/fullCompaction/compactionOps.ts`:
- Line 139: Remove the double type assertion in the reducer handling
ContextApplyCompaction and make wireLines part of the event’s typed interface or
reducer payload so it can be accessed directly as e.wireLines. Preserve the
existing event contract without introducing another type assertion.

In `@packages/agent-core-v2/src/agent/fullCompaction/fullCompactionService.ts`:
- Around line 804-815: Make the capture-and-dispatch sequence in
captureWireLines and compactionRound atomic across the context serialization
boundary: prevent concurrent context.append() dispatches between wire.flush(),
range capture, and context.applyCompaction(), or use a wire operation that
reserves/appends the compaction record atomically. Ensure the recorded end
boundary always includes every preceding durable append and cannot cause
recovery to skip a user request.

In `@packages/agent-core-v2/src/agent/task/taskService.ts`:
- Line 820: Update persistLive and the stopAllOnExit call path so
persistence.writeTask failures remain observable to stopAllOnExit’s catch
handler while shutdown stays non-blocking. Avoid resolving successfully after a
write rejection; propagate the failure from persistLive for this call path and
preserve the existing failure logging behavior.

In `@packages/agent-core-v2/src/app/sessionExport/sessionExportService.ts`:
- Around line 208-209: Update the session file exclusion logic around
sessionFiles to compute each file’s path relative to sessionDir before splitting
it, using relative from the existing path module used by join/resolve. Apply the
FILE_HISTORY_BLOB_PREFIX and notify checks to those relative path segments so
ancestor directory names do not exclude valid session files.

In `@packages/agent-core-v2/src/features/fileHistory/fileHistoryRetention.ts`:
- Around line 23-29: Introduce a dedicated persistence Service for the
file-history retention flow, moving IAtomicDocumentStore and IHostFileSystem
access out of the domain implementation. Update FileHistoryRetentionInput and
the retention operations to depend only on the Service and retention-specific
inputs, while preserving the existing persistence and cleanup behavior.
- Line 35: Update the retention registration flow around applyTouch and
onUnexpectedError so failures are not converted into successful completion;
ignore only confirmed missing-path (ENOENT) cases, while propagating EACCES,
EIO, and other errors to the fork operation or removing copied blobs before
success. Apply the same error handling to the directory-read path around lines
111-123.

In `@packages/agent-core-v2/src/features/fileHistory/fileHistoryService.ts`:
- Line 417: Update the file-history cleanup flow around BlobStoreService.list to
pass the agent scope and the file-history prefix as separate arguments,
preserving the prefix’s trailing slash. Since returned names already include
file-history/, use each name directly when comparing and deleting blobs rather
than prepending the prefix again.

In `@packages/agent-core-v2/src/features/notify/sessionNotify.ts`:
- Around line 27-28: Extract the persistence logic currently using the store and
journal dependencies from SessionNotify into a dedicated notification
persistence service, including scope/key selection, append-log reads, and atomic
document writes. Update SessionNotify to depend on and invoke that service while
retaining only notification policy behavior; remove its direct
IAtomicDocumentStore and IAppendLogStore usage.
- Around line 38-40: Update SessionNotify.load() so persisted state.enabled
cannot override the current notifyUserAvailable() result; derive one effective
notification availability value from current flags and capabilities, then reuse
it consistently across NotifyFeature, AgentProfileService, AgentTool
registration/descriptions, and NotifyUserTool execution.

In `@packages/agent-core-v2/src/session/agentLifecycle/agentLifecycleService.ts`:
- Line 483: Update the shutdown flow containing prompt.drain() and
loop.settled() so each awaited operation is raced against the remaining deadline
before proceeding. Ensure a never-settling launching.launchedDeferred.promise
cannot block remove() indefinitely, while preserving the existing shutdown
behavior when either operation completes within the deadline.

In
`@packages/agent-core-v2/src/workspace/sessionLifecycle/internal/forkTurnSlice.ts`:
- Around line 49-51: Update the filtering flow in forkTurnSlice so cutoffTime is
calculated from records after applying only the turn-input retention filter,
preserving file-history timestamps; then remove FILE_HISTORY_RECORD_PREFIX
entries only from the final returned records. Apply the same ordering in both
affected branches while keeping isUserVisibleTurnInputRecord and
retainedTurnInputs behavior unchanged.

In `@packages/agent-core-v2/test/agent/fullCompaction/fullCompaction.test.ts`:
- Around line 3129-3134: Replace the Proxy-based IFileSystemStorageService
helper and its type assertions with a typed storage wrapper that explicitly
satisfies the required contract. Update the ContextApplyCompaction event
extraction to use a type guard validating the record shape, rather than
asserting its type, so missing storage members and malformed events are rejected
by the test.

In `@packages/agent-core-v2/test/features/notify/tools/notify-user.test.ts`:
- Around line 70-72: Replace the assertion-based flags and host fixtures in the
notify-user tests, including the related execution-context fixtures, with real
harness services or typed builders that fully implement IFlagService,
IBootstrapService, and the execution-context contract; remove the
as-unknown/as-never casts rather than adding assertions to silence type errors.

In `@packages/agent-core-v2/test/session/agentLifecycle/agentLifecycle.test.ts`:
- Line 275: Replace the double assertion around the flag-service stub with a
typed test fake that explicitly satisfies the IFlagService contract, preserving
the test’s existing behavior and avoiding type assertions used to bypass
interface validation.

In `@packages/node-sdk/src/sdk-rpc-client-v2.ts`:
- Line 466: Add Vitest coverage for the v2 client’s uiCapabilities forwarding:
construct the client with uiCapabilities set to ['update_panel'], invoke the
bootstrap flow, and assert bootstrap receives the same value. Anchor the test
around the v2 client construction and bootstrap call, preserving existing
behavior and test conventions.

In `@packages/node-sdk/src/types.ts`:
- Line 112: Declare `@pymodel/agent-core-v2` as a runtime dependency or peer
dependency in the Node SDK manifest so its public types resolve for consumers;
retain the HostUiCapability re-export in packages/node-sdk/src/types.ts:112-112
and the public option reference in
packages/node-sdk/src/sdk-rpc-client-v2.ts:369-369, with no direct changes
required at those sites unless replacing them with an SDK-owned type.

---

Nitpick comments:
In `@apps/pythinker-code/src/tui/components/panes/survey-panel.ts`:
- Around line 22-31: Move DOT, DOT_PREFIX_WIDTH, OPTION_INDENT, RESPONSE_LABELS,
and THANKS from the survey panel component into the existing survey constant
module alongside SURVEY_QUESTION and SURVEY_OPTION_LABELS, export them there,
and import them where the component uses them.

In `@apps/pythinker-code/src/tui/controllers/survey-controller.ts`:
- Around line 465-469: Replace the synchronous cooldown-file write used by
open() with a fire-and-forget async writer, adding that writer in the survey
state store and wiring defaultDeps.writeGlobalLastShown to it. Keep the
synchronous globalLastShownAt update before starting the write, and preserve
error handling without blocking the interactive render path.

In `@apps/pythinker-code/test/tui/controllers/survey-controller.test.ts`:
- Around line 43-47: Update the fire method in the timer harness to remove and
invoke only entries whose delay matches ms, while retaining all non-matching
pending timers for later elapse calls. Ensure pending() continues to report
retained timers so assertions cannot pass vacuously.

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