feat: add cross-session transcript search

[wolfiesch]

Adds a full cross-session transcript search experience across connected OMP hosts.

Includes the /search route, palette and titlebar entry points, project/speaker/archive filters, honest per-host states, bounded multi-host merging and pagination, and read-only historical context. Queries and results remain in memory only.

Pins app-wire 0.6.1 from the coordinated OMP implementation: lyc-aon/oh-my-pi#12

Verification:

• protocol: 33 tests plus tarball/golden-corpus hash verification
• client: 227 tests
• web: 959 tests
• full lint/type/release/provenance check
• production web build
• independent final review: SHIP

Merge note: open PR #60 overlaps protocol/vendor/router files and must rebase after this PR while retaining app-wire 0.6.1.

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[Copilot]

Pull request overview

Adds a cross-session, cross-host transcript search experience that keeps queries/results in memory only, backed by a new vendored @oh-my-pi/app-wire@0.6.1 contract and corresponding client/web implementations.

Changes:

• Pin vendored @oh-my-pi/app-wire to 0.6.1 and update distribution/lockfile checksums and notices.
• Add a TranscriptSearchCoordinator to the client package with multi-host fan-out, deterministic merging, bounded retention, pagination, and historic context reads.
• Add the /search web route, command-palette/titlebar entry points, memory-only query handoff, UI + tests, and an ADR documenting the design.

Reviewed changes

Copilot reviewed 23 out of 27 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
vendor/app-wire/manifest.json	Bumps vendored app-wire manifest metadata to 0.6.1 (commit/tree/tarball hashes, corpus hash).
THIRD_PARTY_NOTICES.md	Updates third-party notice to reflect the new app-wire version and provenance hashes.
README.md	Updates documented pinned app-wire contract and describes transcript search/historic context contract addition.
pnpm-lock.yaml	Updates lockfile to reference vendored oh-my-pi-app-wire-0.6.1.tgz.
packages/protocol/test/distribution.test.ts	Extends distribution verification to cover new transcript-search/context fixtures and source entries, plus updated manifest pinning.
packages/protocol/package.json	Updates protocol package dependency to vendored app-wire 0.6.1 tarball.
packages/client/test/transcript-search.test.ts	Adds unit tests for multi-host coordination, cancellation/supersession, pagination, retention caps, and context reads.
packages/client/src/transcript-search.ts	Implements the cross-host transcript search coordinator, merging, retention, pagination, and context fetching.
packages/client/src/index.ts	Exposes transcript search coordinator/types from the client public API.
docs/adr/011-cross-session-transcript-search.md	Documents the product/contract shape, privacy boundary, and failure behavior.
compat/omp-app-matrix.json	Updates compatibility matrix to app-wire 0.6.1 metadata and hashes.
apps/web/test/transcript-search.test.tsx	Adds model/UI tests covering memory-only behavior, partial results, highlighting, and historic context rendering.
apps/web/src/router.tsx	Registers the new /search route and connects it to the live transcript search screen.
apps/web/src/features/transcript-search/TranscriptSearchScreen.tsx	Adds the transcript search screen UI, host status list, results list, and historic context view.
apps/web/src/features/transcript-search/source.ts	Adds the web adapter that uses the client coordinator to execute search/pagination/context and map results to UI models.
apps/web/src/features/transcript-search/search-memory.ts	Implements ephemeral in-memory query handoff + subscription hooks (no URL/state persistence).
apps/web/src/features/transcript-search/route.ts	Defines stable /search route constant (no query params).
apps/web/src/features/transcript-search/model.ts	Defines UI-facing search models, filters, partial-result detection, and plain-text highlighting splitter.
apps/web/src/features/transcript-search/LiveTranscriptSearch.tsx	Wires route state to the source adapter, manages execution/cancellation, filters, paging, and historic context state.
apps/web/src/features/transcript-search/index.ts	Barrel exports for the transcript-search feature module.
apps/web/src/features/transcript-search/historic-context.ts	Defines the opaque navigation intent for opening historic context without leaking transcript text/query.
apps/web/src/features/transcript-search/fixtures.ts	Provides disconnected showcase fixtures for search + context in browser-only mode.
apps/web/src/features/transcript-search/execution.ts	Adds “latest-run wins” executor to prevent stale completions from publishing after newer requests.
apps/web/src/components/Titlebar.tsx	Updates titlebar search affordance text/icon to include transcript search intent.
apps/web/src/components/CommandPalette.tsx	Adds entry points for transcript search (including “search for current query”) and hands off query in memory before navigation.

Files not reviewed (1)

• pnpm-lock.yaml: Generated file

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