(fix) floating temp auto-bind index

Auto-bind GraphIQ to provider workspaces, use temp-backed indexes by default, and harden install/update/setup.

Author: aaf2tbz

Cargo.lock

@@ -78,6 +78,10 @@ graphiq setup --project /path/to/project
 graphiq setup --harness codex
 ```
 
+`setup` configures MCP servers with temp-backed indexes by default so large
+indexes do not land in the project checkout. Use `--persistent` when you
+explicitly want a project-local `.graphiq` database.
+
 Supported harnesses include Claude Code, Claude Desktop, OpenCode, Codex CLI,
 Cursor, Windsurf, Gemini CLI, Hermes Agent, and Aider.
 
@@ -104,6 +108,10 @@ Run the MCP server against a project:
 graphiq-mcp /path/to/project --watch
 ```
 
+The MCP server auto-binds supported provider workspace roots, lazily builds its
+index on first search, and detects/recreates corrupted or wrong-project
+databases automatically.
+
 Common MCP tools:
 
 | Tool | Use |

README.md

@@ -1,6 +1,6 @@
 [package]
 name = "graphiq-bench"
-version = "4.2.2"
+version = "4.2.3"
 edition = "2021"
 
 [[bin]]

crates/graphiq-bench/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "graphiq-cli"
-version = "4.2.2"
+version = "4.2.3"
 edition = "2021"
 
 [[bin]]