refactored: to utilise the google adk and production grade agent

app/skills/source_discovery/SKILL.md

@@ -0,0 +1,22 @@
+---
+name: source_discovery
+phase: source_discover
+description: Guidance for discovering, auditing, and documenting the existing pre-emptive source environment before target migration.
+---
+
+# Phase 0a: Existing Source Environment Discovery Skill
+
+When auditing and discovering an existing pre-emptive source environment:
+
+1. **Assess As-Is Architecture**: Analyze existing workloads, on-premises applications, legacy infrastructure, or existing cloud provider setups.
+2. **Identify Existing Components**:
+   - Monolithic / legacy application services & ingress endpoints.
+   - Self-hosted database engines (e.g. MySQL, PostgreSQL, Oracle) or legacy file shares.
+   - Traditional messaging queues (e.g. RabbitMQ, ActiveMQ).
+   - Network topology, firewall rules, and authentication mechanisms.
+3. **Capture Source Metrics & Pain Points**:
+   - Current scale, capacity constraints, downtime risks, and operational bottlenecks.
+   - Security vulnerabilities, compliance gaps, and maintenance costs.
+4. **Document Source Architecture**:
+   - Produce a clear `docs/source-architecture.md` baseline documenting the "Before" state.
+   - Render a Mermaid diagram representing the existing source topology (`source-architecture.mmd`).