fix(miro-tasks): fetch exactly one not-done task using status filter and limit

[YI586]

Summary

• Rewrote the Stop hook instructions to use table_list_rows with filter_by (status filtering) and limit=1 to deterministically pull exactly one incomplete task
• The 4-step workflow discovers column metadata first, classifies status values, then fetches the first not-done row in table order (highest priority)
• When total=0 (all tasks done), auto-disables tracking
• Bumped miro-tasks version to 1.0.2, regenerated Gemini extension

Test plan

• Enable miro-tasks with /miro-tasks:enable <table-url> on a table with mixed done/not-done tasks
• Trigger Stop hook — verify Claude calls table_list_rows with limit=1 twice (discovery + filtered fetch)
• Confirm the returned task is the first incomplete row in table order
• Mark all tasks done, trigger Stop again — verify auto-disable fires

🤖 Generated with Claude Code