storkit: create 459_bug_matrix_history_json_and_timers_json_missing_from_scaffold_storkit_gitignore

.storkit/work/1_backlog/459_bug_matrix_history_json_and_timers_json_missing_from_scaffold_storkit_gitignore.md

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+---
+name: "matrix_history.json and timers.json missing from scaffold .storkit/.gitignore"
+---
+
+# Bug 459: matrix_history.json and timers.json missing from scaffold .storkit/.gitignore
+
+## Description
+
+The scaffold's write_story_kit_gitignore function in scaffold.rs does not include matrix_history.json or timers.json in the .storkit/.gitignore entries. Both files are runtime state that should not be committed to git. matrix_device_id and matrix_store/ are already covered, but matrix_history.json (conversation history) and timers.json (timer store) are missing.
+
+## How to Reproduce
+
+1. Run storkit scaffold on a new project. 2. Start the Matrix bot. 3. Observe that matrix_history.json and timers.json are created inside .storkit/ but are not gitignored.
+
+## Actual Result
+
+matrix_history.json and timers.json appear as untracked files in git status.
+
+## Expected Result
+
+Both files are listed in .storkit/.gitignore and do not appear in git status.
+
+## Acceptance Criteria
+
+- [ ] matrix_history.json added to the entries array in write_story_kit_gitignore in scaffold.rs
+- [ ] timers.json added to the entries array in write_story_kit_gitignore in scaffold.rs
+- [ ] scaffold test in scaffold_creates_story_kit_gitignore_with_relative_entries asserts both entries are present