feat: v1.1 — Complete Vault Gateway

[devwhodevs]

Summary

• 3 new modules: markdown.rs (section parser), obsidian.rs (CLI wrapper + circuit breaker), health.rs (vault health analysis)
• 6 new MCP tools: read_section, health, edit, rewrite, edit_frontmatter, delete (13 → 19 total)
• 4 new CLI write commands: write edit, write rewrite, write edit-frontmatter, write delete
• Enhanced store: fuzzy Levenshtein file resolution, cli_events audit table, delete_file_hard
• Writer pipeline: section-level editing (replace/prepend/append), note rewriting with frontmatter preservation, granular frontmatter mutations (set/remove/add_tag/remove_tag/add_alias/remove_alias), soft + hard delete
• Watcher coordination: recent_writes map prevents double re-indexing of MCP-written files
• Enhanced onboarding: engraph init detects Obsidian CLI + AI agents, engraph configure gains --enable-obsidian-cli, --register flags
• Content-based role detection: detect people/daily/archive folders by content patterns for non-PARA vaults
• Config: new [obsidian] and [agents] sections (backward compatible)

Stats

Metric	Before	After
Modules	19	22
MCP tools	13	19
Tests	270	318
Clippy warnings	0	0

Test plan

• cargo test --lib — 318 pass
• cargo clippy -- -D warnings — 0 warnings
• cargo fmt --check — clean
• Live vault testing: search, create, edit section (append/replace), edit frontmatter (add_tag, set), rewrite (frontmatter preserved), soft delete (archived), hard delete (fully removed), CLI help shows new commands, configure flags visible

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