docs(workflow): correct Ollama thinking policy

[Lyther]

Summary

• correct Ollama thinking guidance: think:false disables thinking, hidethinking only hides the trace
• record thinking mode/trace policy in workflow-orchestrator agent state
• require workflow artifacts to drop thinking fields while preserving reasoning quality for non-trivial roles

Distribution

• dry-run install passed for claude-code, codex, gemini-cli, cline, kilo, cursor, vscode, copilot, opencode, trae, and antigravity
• live user-scope install completed for all supported targets
• installed manifests and workflow-orchestrator target files verified
• agent-surface doctor and kilo config check passed

Checks

• npm run check:commands
• npm run check
• npm run build -- --target all
• npm run check:generated
• npm test
• npm run check:rules
• npm pack --dry-run --json
• git diff --check