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>

task-templates/airouter-code-repo.yaml

@@ -7,7 +7,8 @@ requires_tags: [agentic-runner, coding-agent, git-access, project-repo, best-pra
 required_params: [repo_url, agent_repo_url]
 labels: [airouter]
 defaults:
-  timeout: 1800
+  timeout: 3600
+  max_turns: 100
 pre_actions:
   - type: clone
     repo: "{{ repo_url }}"