Add tc eval review CLI wrapper (CR-RH-003)

[coreytshaffer]

Summary

Adds CR-RH-003 for the evidence-bound review harness: a thin, read-only tc eval review CLI wrapper around the existing review_submission_v0 validator (CR-RH-001) and review_result_v0 deterministic checker (CR-RH-002).

The command validates a pre-tagged submission, runs the checker against an explicitly supplied context packet, and renders or writes the result. It adds no checking logic of its own.

Scope

• New tc eval review subcommand (handler + subparser + dispatch)
• New pure write_review_result(...) writer in review_result.py
• New CLI doc under docs/operations/
• New CLI unit tests
• Submission-schema and result-contract doc updates (CLI now delivered)

Output convention

• No --output: render the review result to stdout.
• --output: write the JSON result to that path and print a short Success: line.
• --print-json: print the JSON result to stdout in addition to normal behavior.
• --fail-on-gate: exit 3 only after successful validation/checking when grounding_gate == fail.
• Input/validation errors: exit 1.

Non-goals

• Thin CLI wrapper only; no new checker logic
• No model calls
• No command execution
• No raw-prose classification
• No action approval
• No citation-quality judgment beyond section-scoped anchor resolution
• No correctness, safety, certification, or production-readiness verdict
• No ledger, identity, generated artifact, scratch, backlog, changelog, or root README changes
• Only a user-specified --output path may be written

Validation

• python -m pytest tests/test_eval_review_cli.py tests/test_review_result.py tests/test_review_submission.py -q -> 61 passed
• Real read-only smoke: python -m triage_core.tc_cli eval review --submission tests/fixtures/evals/model_review/review_submission_v0.example.json --context-packet tests/fixtures/evals/model_review/review_context_packet.example.md -> intentional grounding-gate FAIL, exit 0
• git diff --cached --check -> clean before commit
• staged file list matched exactly the six approved files

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