v0.3.0

Fixed

• (navigation) improve grep fallbacks with visibility modifiers and warmup support
• (validation) return uncertain status when both diagnostic snapshots empty
• (edit) add blank line before doc comments in insert_after
• (file-ops) standardize response envelopes (PATCH-006 + PATCH-007)
• (search) populate total_matches in build_file_groups + add regression test (PATCH-004)
• (search) schema and serialization fixes for group_by_file + known_files (PATCH-004 + PATCH-005)
• (navigation) use name_column in LSP calls + add empty-hierarchy probe (PATCH-002 + PATCH-003)
• (navigation) add name_column for correct LSP cursor positioning (PATCH-001)

Other

• Apply cargo fmt formatting fixes
• Complete PATCH-001 through PATCH-015 implementation
• Fix argument injection in ripgrep execution
• (edit) apply cargo fmt to insert_after doc comment detection
• (validation) update test to expect uncertain status for empty snapshots
• (lsp) Verify LspClient shutdown broadcasts signal
• (lsp) Verify LspClient shutdown broadcasts signal