fix(patch): cherry-pick a4e98c0 to release/v0.39.0-preview.0-pr-25138 to patch version v0.39.0-preview.0 and create version 0.39.0-preview.1 (#25766)

Co-authored-by: Mahima Shanware <mahima.shanware@gmail.com>

docs/cli/plan-mode.md

@@ -329,7 +329,6 @@ Storage whenever Gemini CLI exits Plan Mode to start the implementation.
 #!/usr/bin/env bash
 # Extract the plan filename from the tool input JSON
 plan_filename=$(jq -r '.tool_input.plan_filename // empty')
-plan_filename=$(basename -- "$plan_filename")
 
 # Construct the absolute path using the GEMINI_PLANS_DIR environment variable
 plan_path="$GEMINI_PLANS_DIR/$plan_filename"
@@ -358,7 +357,7 @@ To register this `AfterTool` hook, add it to your `settings.json`:
           {
             "name": "archive-plan",
             "type": "command",
-            "command": "./.gemini/hooks/archive-plan.sh"
+            "command": "~/.gemini/hooks/archive-plan.sh"
           }
         ]
       }