Refactor workspace structure and documentation

- Deleted obsolete files: obsidian-vault.md, onboarding.md, workspace-model.md
- Updated opencode.json to remove references to deleted files.
- Revised profile.md to clarify the status of legacy paths and communication evidence.
- Adjusted prompts to reflect new file paths and improve clarity.
- Enhanced daily logs with focus, work-items, and blockers properties.
- Updated work-item notes to include systems, workstreams, people, and related properties.
- Improved context maintenance guidelines to ensure accurate and durable project knowledge.
- Refined base filters to exclude template files and ensure only relevant notes are displayed.
- Updated daily templates to ensure proper formatting and consistency.
- Modified workflows to align with the new vault structure and improve context synchronization.

vault/09-templates/daily.md

@@ -1,7 +1,7 @@
 ---
 type: daily
 project: fidelity
-date: {{date:YYYY-MM-DD}}
+date: "{{date:YYYY-MM-DD}}"
 status: active
 focus: []
 work-items: []
@@ -9,7 +9,7 @@ blockers: []
 tags:
   - daily
   - fidelity
-updated: {{date:YYYY-MM-DD}}
+updated: "{{date:YYYY-MM-DD}}"
 ---
 
 # {{date:YYYY-MM-DD}}
@@ -47,4 +47,3 @@ updated: {{date:YYYY-MM-DD}}
 ## Blockers
 
 - None currently.
-