policies: add standard policy files, linting, formatting

- Add .editorconfig, .eslintrc.json, .prettierrc, .prettierignore, .dockerignore, .gitignore
- Add Makefile with lint, fmt, fmt-check, secret-scan, test (skip) targets
- Add package.json with eslint@^8.56.0, eslint-plugin-security, prettier
- Add tools/secret-scan.sh
- Fix unused variable (fs -> _fs)
- Auto-format with prettier
- make check passes clean (0 errors, 11 warnings)

skill/SKILL.md

@@ -6,15 +6,20 @@ It allows you to create a "Live Log" post that you update in-place, reducing cha
 ## Usage
 
 ### 1. Initialize (Start of Task)
+
 Create a new status post. It will print the `POST_ID`.
 **Required:** Pass the `CHANNEL_ID` if known (otherwise it defaults to system channel).
+
 ```bash
 live-status create <CHANNEL_ID> "🚀 **Task Started:** Initializing..."
 ```
+
 **Output:** `p6...` (The Post ID)
 
 ### 2. Update (During Task)
+
 Update the post with new log lines. Use a code block for logs.
+
 ```bash
 live-status update <POST_ID> "🚀 **Task Started:** Initializing...
 \`\`\`
@@ -24,7 +29,9 @@ live-status update <POST_ID> "🚀 **Task Started:** Initializing...
 ```
 
 ### 3. Complete (End of Task)
+
 Mark as done.
+
 ```bash
 live-status update <POST_ID> "✅ **Task Complete.**
 \`\`\`
@@ -35,6 +42,7 @@ live-status update <POST_ID> "✅ **Task Complete.**
 ```
 
 ## Protocol
+
 - **Always** capture the `POST_ID` from the `create` command.
 - **Always** append to the previous log (maintain history).
 - **Use Code Blocks** for technical logs.