chore: sync framework content from agent-runtimes main (2026-04-28)

- Hardens qwen-code-methodology rules (no code deletion, pre-commit diff)
- Fixes test-writing CLAUDE.md workspace path
- Adds best-practices-opus-repo/v1 composite harness
- Adds opus-best-practices-review task template
- Adds max_turns support to airouter task template defaults
- Updates agent-repo finalize.sh

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

harnesses/contexts/test-writing/v1/CLAUDE.md

@@ -58,8 +58,8 @@ def test_xx1_descriptive_name():
 
 ## Output Conventions
 
-- **If `/workspace/working/` exists** (agent-repo mode): write test files to `tests/` directory
-- **If `/workspace/working/` does not exist**: write to `/workspace/.agent-output/`
+- **If `/workspace/project/` exists** (agent-repo mode): write test files to `tests/` inside that directory
+- **If `/workspace/project/` does not exist**: write to `/workspace/.agent-output/`
 - Match the project's existing test file naming convention (usually `test_<module>.py`)
 - Include a docstring at the top of each test file referencing which spec it covers
 
@@ -72,7 +72,7 @@ def test_xx1_descriptive_name():
 
 ## Session Logging
 
-Write a brief session log to `/workspace/.agent-output/session-log.md` (or `/workspace/working/memory/log/` in agent-repo mode) with:
+Write a brief session log to `/workspace/.agent-output/session-log.md` (or `/workspace/project/memory/log/` in agent-repo mode) with:
 - **Summary**: What test files were written/updated, test count
 - **Coverage Notes**: Which requirements are covered, which are deferred
 - **Open Questions**: Requirements that are ambiguous or untestable as written