feat: export provider-neutral research traces

[tomdps]

What changed

• add deterministic native trace and semantic JSONL exports for cluster tasks
• preserve exact prompts, ledger records, and bounded raw harness output for Codex, Claude, Pi, OMP, and future adapters
• frame provider stdout and stderr once and update every existing log consumer
• keep nonterminal, missing, malformed, or changing evidence explicitly incomplete

Why

The research adapter needs one source-owned, provider-neutral evidence boundary before sandboxes are removed. Native evidence stays authoritative; downstream ATIF remains a derived view.

Validation

• focused trace, framing, and consumer tests passed
• 104 Mocha and 64 Node provider/output regressions passed
• full typecheck and lint passed with existing warnings only
• Opcore and Opcore Zero passed
• package dry-run contains all runtime files

The live OMP sidecar startup test is environment-degraded in the development checkout because Bun was installed without its postinstall binary; deterministic OMP writer-to-semantic coverage passes.

[greptile-apps]

Greptile Summary

The PR adds deterministic native trace exports and provider-neutral semantic JSONL projections while introducing explicit stdout/stderr framing across task-log writers and consumers.

• Streams ledger records, prompts, and bounded raw task-log evidence into create-only trace bundles.
• Projects framed provider output through existing stateful adapters with bounded events and explicit completeness diagnostics.
• Updates watcher, SDK, CLI, and extraction consumers to use the shared task-log framing decoder.
• Extends runtime packaging, documentation, and regression coverage for the new export formats.

Confidence Score: 5/5

The PR appears safe to merge because no blocking failure remains in the eligible follow-up review scope.

No blocking failure remains.

Important Files Changed

Filename	Overview
cli/trace-export.ts	Streams deterministic ledger and task evidence records into an exclusive JSONL destination with explicit completeness accounting.
cli/semantic-export.ts	Coordinates bounded task-log projection through registered provider adapters and emits task-level and bundle-level completeness metadata.
cli/semantic-parser.ts	Reads stable evidence through a bounded line scanner, completes stateful adapter parsing, and detects source changes.
cli/trace-evidence.ts	Derives causally referenced task IDs and validates task-store identities and expected log locations.
src/task-log-line.js	Defines the shared encoder and decoder for legacy, stderr-tagged, and channel-framed task-log records.
task-lib/watcher-output-runtime.js	Frames watcher stdout and stderr at their source while preserving bounded output and terminal diagnostics.
cli/index.js	Adds trace and semantic export dispatch, snapshot reconciliation, and shared framed-log parsing to the CLI.
scripts/build-cli-runtime.js	Extends runtime compilation and packaging to include the new export modules.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  W[Task and provider writers] -->|channel-framed-v2| L[Task log]
  DB[Cluster ledger] --> T[Trace exporter]
  S[Task store] --> T
  L --> T
  T --> N[Native trace JSONL]
  DB --> P[Semantic exporter]
  S --> P
  L --> D[Shared framing decoder]
  D --> P
  P --> A[Provider adapter parser]
  A --> E[Semantic event JSONL]

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_{Reviews (5): Last reviewed commit: "test: decode framed provider logs in e2e..." | Re-trigger Greptile}

[github-actions]

🎉 This PR is included in version 6.40.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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