feat: Update context commands to include work items and enhance Mattermost integration

.opencode/commands/promote-project-context.md

@@ -1,8 +1,8 @@
 ---
-description: Promote confirmed project facts from the inbox into Fidelity workspace memory
+description: Manually promote confirmed project facts into Fidelity workspace memory
 ---
 
-Promote confirmed Fidelity project context into the workspace.
+Use this only when you want an explicit manual promotion pass.
 
 Read:
 
@@ -22,6 +22,10 @@ Current Mattermost inbox, if present:
 
 !`if [ -f ai/inbox/mattermost-latest.md ]; then cat ai/inbox/mattermost-latest.md; else echo "No Mattermost inbox file is available."; fi`
 
+Generated Mattermost context, if present:
+
+!`if [ -s scripts/mattermost/generated/mattermost_context.jsonl ]; then cat scripts/mattermost/generated/mattermost_context.jsonl; else echo "No generated Mattermost context is available."; fi`
+
 User direction or facts to promote:
 
 $ARGUMENTS
@@ -38,6 +42,7 @@ Instructions:
   - `ai/context/decisions/*.md`
 - Prefer concrete project updates over broad summaries
 - If a fact is still ambiguous, do not promote it
+- Use this command when you want a deliberate manual pass beyond the agent's default automatic memory maintenance
 
 Return: