chore: track .pi-map.md and .pi-map.index.md artifacts

Remove the map files from .gitignore so they are committed as project
navigation artifacts, and also unignore them in the sample fixture.
Regenerate all maps so the committed versions reflect the current source.

src/cli/.pi-map.index.md

@@ -0,0 +1,22 @@
+# src/cli (index)
+dir: src/cli
+
+## role
+Command-line interface entry point for a project mapping tool that manages hierarchical `.pi-map.md` files through generation, patching, validation, and LLM-powered context retrieval.
+## parent
+index: src/.pi-map.index.md
+map: src/.pi-map.md
+## children
+-
+## files
+- cli.ts
+## links
+index: src/cli/.pi-map.index.md
+map: src/cli/.pi-map.md
+## workflows
+- change cli behavior
+  read: cli.ts
+- change cli CLI
+  read: cli.ts
+## dirty
+-

src/cli/.pi-map.md

@@ -0,0 +1,22 @@
+# src/cli
+dir: src/cli
+
+index: src/cli/.pi-map.index.md
+
+## role
+Command-line interface entry point for a project mapping tool that manages hierarchical `.pi-map.md` files through generation, patching, validation, and LLM-powered context retrieval.
+## files
+- cli.ts | CLI entry point for a project mapping tool that generates, patches, validates, and retrieves context from hierarchical `.pi-map.md` files using LLM-powered analysis. | dep: ../init.js, ../patch.js, ../validate.js, ../discover.js, ../retrieve.js, ../llm/llm-client.js, ../config.js, picocolors, process, fs (implied via require)
+## arch
+Single-file CLI facade with command routing to core engine services, likely using a command pattern or direct service delegation for map lifecycle operations.
+## tags
+js, cli, llm, entry, point, project, mapping, tool
+## symbols
+-
+## workflows
+- change cli behavior
+  read: cli.ts
+- change cli CLI
+  read: cli.ts
+## dirty
+-