agentydragon(tasks): add task 19 bash command rendering improvements

agentydragon/tasks/19-bash-command-rendering-improvements.md

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+---
+id: 19
+title: Bash Command Rendering Improvements for Less Verbosity
+status: Not started
+summary: Render bash commands more concisely and shorten tool output annotations.
+goal: |
+  Adjust agent output formatting for shell commands and tool logs to:
+  - Render bash commands without wrapping them in `bash -lc "..."`.
+  - Display role-prefixed messages on a single line (role and content space-separated).
+  - Shorten command-result annotations, using `✅ <duration>ms` for successful runs or `exit code: <code> <duration>ms` for failures.
+
+> *This task is specific to per-agent UI conventions and log readability.*
+
+## Acceptance Criteria
+
+- Shell commands render as plain text without `bash -lc` wrappers.
+- Role labels and message content appear on the same line, separated by a space.
+- Command-result annotations show a checkmark and duration for zero exit codes, or `exit code: N` and duration for nonzero codes, in the format `<icon or exit code> <duration>ms`.
+- Existing functionality remains unaffected beyond formatting changes.
+- Automated examples or tests verify the new rendering behavior.
+
+## Implementation
+
+**How it was implemented**  
+- Update the internal shell-command renderer to strip out `bash -lc` wrappers and emit raw commands.
+- Modify the message formatting component to place role labels and content on one line.
+- Refactor the result-annotation logic to emit `✅ 12ms` or `exit code: 123 12ms`.
+- Add or extend tests/examples to cover these formatting rules.
+
+## Notes
+
+- Improves readability of interactive sessions and logs by reducing boilerplate.
+- Ensure compatibility with both live TUI output and persisted log transcripts.