refactor: bashrc is always sourced after tool install automatically

- Added source_bashrc funciton in shell_confi.sh
- Removed bashrc source commands from installer scripts
- Updated skill instructions

.agents/skills/add_installer/SKILL.md

@@ -246,3 +246,4 @@ track_file "/usr/local/bin/binary"
 6. **Error handling**: Use `set -euo pipefail` after the guard block.
 7. **CLI Enforcement Guard**: Always copy the standalone execution guard block verbatim to the top of your installer script to prevent direct execution.
 8. **Clean Official Scripts**: When implementing official curl/install scripts provided in the prompt, strip them of bloat, macOS/Windows support, and redundant shell setups before writing the script.
+9. **No manual shell re-sourcing**: Do NOT manually run `source ~/.bashrc` or print instructions asking the user to run it. Sourcing of the shell configuration is handled automatically by the central router and CLI at the end of the installation.

.agents/skills/release/SKILL.md

@@ -25,12 +25,22 @@ When the user asks to "cut a release", "bump the version", or "tag a new version
    - If any core-CLI commit has `feat:` → **minor**
    - Otherwise (only `fix:`, `refactor:`, etc. in core-CLI) → **patch**
    - If *all* commits are installer-only or docs-only → inform the user no release is needed.
-3. **Run the release script** non-interactively (if an actual bump is needed):
-   ```bash
-   ./scripts/release.sh --<level> -y
+3. **Formulate a verbose, structured description of the changes** based on the analyzed commits. Group the changes into logical sections (such as "Breaking Changes & Major Features:" and "Other Updates:") and list the corresponding commit messages or summaries. Example format:
+   ```text
+   Breaking Changes & Major Features:
+
+   feat: Resumable Download Helper and Manifest Preservation
+
+   Other Updates:
+
+   docs: Update readme
+   feat(skills): Add Installer to use rollback and savepoint hooks
    ```
-   (e.g., `./scripts/release.sh --minor -y`)
-4. **Push** the tag and commit (ask for user confirmation before pushing):
+4. **Run the release script** non-interactively, passing the compiled description:
+   ```bash
+   ./scripts/release.sh --<level> -y -m "<verbose description>"
+   ```
+5. **Push** the tag and commit (ask for user confirmation before pushing):
    ```bash
    git push origin master <tag>
    ```