feat: Refactor communication context to generalize from Jeff to current manager and enhance people management structure

.opencode/commands/sync-context.md

@@ -9,7 +9,8 @@ Read:
 @README.md
 @ai/AGENTS.md
 @ai/context/project.md
-@ai/context/people/jeff.md
+@ai/context/people/manager.md
+@ai/context/people/index.md
 @ai/state/current.md
 @ai/state/work-items.md
 @knowledge/workspace-model.md
@@ -32,7 +33,9 @@ Instructions:
   - `ai/state/current.md`
   - `ai/state/work-items.md`
   - `ai/context/project.md`
-  - `ai/context/people/jeff.md`
+  - `ai/context/people/manager.md`
+  - `ai/context/people/index.md`
+  - `ai/context/people/*.md`
   - `ai/context/decisions/`
 - Update the appropriate files directly
 - If an existing statement became stale, replace or refine it