Bound worktree metadata reconciliation

[chubes4]

Summary

• Adds --limit/--offset support for workspace worktree reconcile-metadata dry-runs so large inventories can be reviewed in bounded pages.
• Returns pagination/evidence metadata while preserving the existing full dry-run behavior when no bounds are supplied.
• Improves metadata repair visibility by merging stored lifecycle option metadata with inventory fallback data.

Closes #333.
Closes #334.

Testing

• php tests/smoke-worktree-metadata-reconcile.php
• php -l inc/Workspace/Workspace.php
• php -l inc/Workspace/WorktreeContextInjector.php
• php -l inc/Cli/Commands/WorkspaceCommand.php
• php -l inc/Abilities/WorkspaceAbilities.php
• git diff --check

AI assistance

• AI assistance: Yes
• Tool(s): OpenCode (GPT-5.5)
• Used for: Drafted and implemented bounded reconciliation changes and smoke coverage; Chris retains review and merge responsibility.