huskies: merge 586_bug_wizard_skips_context_and_stack_generation_when_files_already_exist_from_scaffold

server/src/http/mcp/wizard_tools.rs

@@ -56,18 +56,27 @@ pub(crate) fn is_script_step(step: WizardStep) -> bool {
     )
 }
 
-/// Write `content` to `path` only when the file does not already exist.
+/// Write `content` to `path`, skipping if the file already exists with real
+/// (non-template) content.
 ///
-/// Existing files (including `CLAUDE.md`) are never overwritten — the wizard
-/// appends or skips per the acceptance criteria.  For script steps the file is
-/// also made executable after writing.
+/// Scaffold template files (those containing [`TEMPLATE_SENTINEL`]) are treated
+/// as placeholders and will be overwritten with the wizard-generated content.
+/// Files with real user content are never overwritten.  For script steps the
+/// file is also made executable after writing.
 pub(crate) fn write_if_missing(
     path: &Path,
     content: &str,
     executable: bool,
 ) -> Result<bool, String> {
+    use crate::io::onboarding::TEMPLATE_SENTINEL;
     if path.exists() {
-        return Ok(false); // already present — skip silently
+        // Overwrite scaffold template placeholders; preserve real user content.
+        let is_template = std::fs::read_to_string(path)
+            .map(|s| s.contains(TEMPLATE_SENTINEL))
+            .unwrap_or(false);
+        if !is_template {
+            return Ok(false); // real content already present — skip
+        }
     }
     if let Some(parent) = path.parent() {
         fs::create_dir_all(parent)
@@ -473,13 +482,13 @@ mod tests {
     fn wizard_confirm_does_not_overwrite_existing_file() {
         let dir = TempDir::new().unwrap();
         let ctx = setup(&dir);
-        // Pre-create the specs directory and file.
+        // Pre-create the specs directory and file with real (non-template) content.
         let specs_dir = dir.path().join(".huskies").join("specs");
         std::fs::create_dir_all(&specs_dir).unwrap();
         let context_path = specs_dir.join("00_CONTEXT.md");
         std::fs::write(&context_path, "original content").unwrap();
 
-        // Stage and confirm — existing file should NOT be overwritten.
+        // Stage and confirm — existing real file should NOT be overwritten.
         tool_wizard_generate(&serde_json::json!({"content": "new content"}), &ctx).unwrap();
         let result = tool_wizard_confirm(&ctx).unwrap();
         assert!(result.contains("already exists"));
@@ -489,6 +498,34 @@ mod tests {
         );
     }
 
+    #[test]
+    fn wizard_confirm_overwrites_scaffold_template_file() {
+        let dir = TempDir::new().unwrap();
+        let ctx = setup(&dir);
+        // Pre-create the file with scaffold template placeholder content.
+        let specs_dir = dir.path().join(".huskies").join("specs");
+        std::fs::create_dir_all(&specs_dir).unwrap();
+        let context_path = specs_dir.join("00_CONTEXT.md");
+        std::fs::write(
+            &context_path,
+            "<!-- huskies:scaffold-template -->\n# Project Context\n\nTODO: Describe...",
+        )
+        .unwrap();
+
+        // Stage and confirm — template placeholder should be overwritten with generated content.
+        tool_wizard_generate(
+            &serde_json::json!({"content": "# My Real Project\n\nThis is a real project."}),
+            &ctx,
+        )
+        .unwrap();
+        let result = tool_wizard_confirm(&ctx).unwrap();
+        assert!(result.contains("confirmed"));
+        assert_eq!(
+            std::fs::read_to_string(&context_path).unwrap(),
+            "# My Real Project\n\nThis is a real project."
+        );
+    }
+
     #[test]
     fn wizard_skip_advances_wizard() {
         let dir = TempDir::new().unwrap();