v0.70.0

feat

• feat(mcp): implement twig_seed_reconcile, twig_seed_edit, twig_seed_link MCP tools AB#2578 (d5b9498)
• feat(mcp): implement twig_seed_validate, twig_seed_discard, twig_seed_chain MCP tools AB#2577 (2a84298)
• feat(mcp): implement twig_seed_new, twig_seed_view, twig_seed_publish MCP tools AB#2576 (0dc06ac)
• feat(mcp): extract shared ResolveWorkItemAsync helper to WorkItemResolver AB#2572 (00bc5c4)
• feat(mcp): add optional id param to twig_tree AB#2574 (4393084)
• feat(mcp): add optional id param to twig_state, twig_update, twig_patch, twig_note AB#2573 (87fe376)
• feat(mcp): implement twig_tracking_status MCP tool for listing tracked items AB#2569 (93599b7)
• feat(mcp): implement twig_config MCP tool for read-only config access AB#2570 (53ace25)
• feat(mcp): implement twig_area MCP tool for area path tree with caching AB#2571 (2ac02da)
• feat(mcp): implement twig_track and twig_untrack MCP tools for manual work-item tracking AB#2568 (68a26cc)
• feat(mcp): register twig_cache_status in ToolDispatcher for batch support AB#2566 (3b5bc93)
• feat(mcp): implement twig_refresh MCP tool for pull-only cache refresh AB#2564 (a3e26d6)
• feat(mcp): implement twig_cache_status tool for local cache freshness reporting AB#2565 (675671c)
• feat(batch): implement workspace default propagation tests for twig_batch AB#2560 (3baf11a)
• feat(batch): implement per-step onError: continue partial failure recovery AB#2561 (f09a48f)
• feat(batch): implement conditional when clauses for batch steps AB#2562 (50a4d33)
• feat(mcp): add typed BatchSummary to twig_batch response AB#2563 (cb02ed7)
• feat(mcp): migrate all 8 MCP tools to standard envelope and structured error responses (2679c97)
• feat(mcp): define McpEnvelope contract types and McpJsonContext AB#2555 (1ba5b9e)
• feat(mcp): add EnvelopeBuilder infrastructure with auto context population AB#2556 (334bc7c)
• feat(mcp): add hints logic with verbose parameter flag AB#2558 (b8976c3)

docs

• docs: add plan for init --force corruption recovery AB#2549 (dad30f9)

test

• test(mcp): add direct-ID parameter and active-context isolation tests AB#2575 (517bc86)
• test(mcp): add edge case tests for twig_refresh and twig_cache_status AB#2567 (f42c20b)
• test(mcp): add envelope shape tests, Spectre markup guards, and schema docs AB#2559 (9177be0)