Optional JSONPath query/extract support, FTS5 section/block search, mkt cache query and search. Local SQLite backend now supports parsed snapshot persistence, incremental refresh, cached querying, and ranked full-text search

docs/local-index-backend.md

@@ -31,6 +31,19 @@ Build or refresh the local index:
 mkt cache index docs workplans --root .
 ```
 
+Query indexed snapshots:
+
+```text
+mkt cache query 'sections[heading=Decision]' --root .
+mkt cache query '$.headings[*].text' --engine jsonpath --root .
+```
+
+Search indexed section/block text:
+
+```text
+mkt search SQLite --root .
+```
+
 Inspect a parsed AST without using the cache:
 
 ```text
@@ -71,6 +84,7 @@ The first schema stores:
 - `blocks`: block type, text, source span, and heading level
 - `dependencies`: reserved dependency edge table for references,
   transclusion, literate chunks, and future invalidation graphs
+- `search_units`: FTS5 virtual table over sections and blocks
 
 This is enough to recover the useful markitect-main idea of keeping parsed
 structure available for faster and richer query backends, while keeping the
@@ -78,10 +92,6 @@ normal CLI usable without a cache.
 
 ## Future Work
 
-`MKTT-WP-0007` still needs:
-
-- JSONPath query adapter over stored or live document JSON
-- FTS5 search over section/block rows
-- cache-backed query commands
-- richer dependency extraction from references, transclusion, and literate
-  chunks
+Follow-on backend work can now focus on richer dependency extraction from
+references, transclusion, and literate chunks; access-controlled query gateways;
+and larger-scale memory/context packages.