feat: Add Fidelity workspace agent and context management commands

- Introduced a primary agent for the Fidelity AI Workspace to maintain context and support daily engineering tasks.
- Created commands for loading workspace context, drafting updates for Jeff, and logging daily notes.
- Implemented translation and standup generation commands to enhance communication clarity.
- Developed a compaction plugin to preserve essential workspace context during sessions.
- Established a structured approach for managing project knowledge, communication rules, and decision-making processes.
- Updated README and project structure to reflect new workflows and usage guidelines.

prompts/manager-update.md

@@ -0,0 +1,14 @@
+# Manager Update Prompt
+
+Use the current state, today's log, and `ai/context/people/jeff.md`.
+
+Draft a Mattermost update for Jeff in concise US English.
+
+Requirements:
+
+- Structure around Context, Observation, and Action
+- Make scope explicit
+- Clarify whether the issue is external behavior or regression
+- Mention auth state when relevant
+- Preserve the original technical meaning
+- Keep the message direct and short