merge: clawcode-issue-9406-commands-skill-install into main

merge: clawcode-issue-9405-plugins-execution-pipeline into main

merge: clawcode-issue-9404-tools-plan-worktree into main

Wire plugin hooks and lifecycle into runtime startup

Make /skills install reusable skill packs

Close the plan-mode parity gap for worktree-local tool flows

fix: suppress WIP dead_code/clippy warnings in rusty-claude-cli

Merge branch 'dori/commands-parity' into main

Merge branch 'dori/tools-parity'

Merge branch 'dori/hooks-parity' into main

Merge branch 'dori/mcp-parity'

feat(commands): slash-command validation, help formatting, CLI wiring

feat(tools): error propagation, REPL timeout, edge-case validation

feat(mcp): add toolCallTimeoutMs, timeout/reconnect/error handling

feat(hooks): add PostToolUseFailure propagation, validation, and tests