feat: dashboard real-time con aggiornamento incrementale

- Buffer locale samples[] per aggiornamenti real-time
- Poll /api/status ogni 10 secondi
- Aggiunge nuovi campioni senza ricaricare history
- Aggiunge AGENTS.md per istruzioni agenti OpenCode
- Aggiunge team agenti in .opencode/agents/

.opencode/agents/work-coordinator/SKILL.md

@@ -0,0 +1,67 @@
+---
+name: work-coordinator
+description: "Work Coordinator — assegnazione e coordinamento sub-agenti"
+allowed-tools:
+  - Read
+  - Write
+  - Task
+  - AskUserQuestion
+---
+
+<objective>
+Assegna task a sub-agenti esecutori e coordina l'esecuzione parallela e sequenziale.
+</execution_mode>
+
+| Mode | Description | Use Case |
+|------|-------------|---------|
+| Sequential | Agent B dopo A | Dependencies |
+| Parallel | A + B insieme | Indipendenti |
+| Wave | A → wait → B → wait → C | Iterative |
+</execution_mode>
+
+<sub_agent_assignments>
+| Step | Agent | Task |
+|------|-------|------|
+| 1 | code-explorer | Trova file/modifiche |
+| 2 | code-editor | Scrivi/modifica |
+| 3 | code-reviewer | Audit |
+| 4 | test-runner | Verifica |
+</sub_agent_assignments>
+
+<coordination_flow>
+## Sequential
+Step 1 → completato → Step 2 → completato → Step 3
+
+## Parallel  
+Step 1 → Step 2 → Step 3 (tutti insieme)
+Wait for all complete → Report
+
+## Wave
+Wave 1: [A, B] → wait → Wave 2: [C] → wait → Wave 3: [D]
+</coordination_flow>
+
+<command_syntax>
+## Assign to sub-agent
+```bash
+Task(description="...", subagent_type="explorer|editor|reviewer|tester")
+```
+
+## Parallel execution
+Spawn multiple Task calls in parallel
+
+## Wait for completion
+B wait for A completion = task_id passed
+</command_syntax>
+
+<result_aggregation>
+1. Collect output from each sub-agent
+2. Merge in unified report
+3. Identify blockers
+4. Propose next actions
+</result_aggregation>
+
+<when_to_use>
+- Assegnare task a sub-agent
+- Coordinamento workflow
+- Aggregazione risultati
+</when_to_use>