feat(openspec): propose phase-5-scale-ecosystem change

6 workstreams, 119 tasks — Scale & Ecosystem:
- WS1: Rust SDK
- WS2: Agent-to-Agent (A2A) Authorization
- WS3: Advanced Analytics Dashboard
- WS4: Public API Gateway & Rate Limiting SaaS
- WS5: Developer Experience (DX) improvements
- WS6: AGNTCY Compliance Certification Package

Awaiting CEO approval to begin implementation.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

openspec/changes/phase-5-scale-ecosystem/.openspec.yaml

@@ -0,0 +1,58 @@
+schema: spec-driven
+id: phase-5-scale-ecosystem
+title: "Phase 5 — Scale & Ecosystem"
+status: proposed
+created: "2026-04-02"
+author: Virtual Architect
+phase: 5
+theme: "Scale & Ecosystem — making SentryAgent.ai the definitive standard for agent identity globally"
+
+workstreams:
+  - id: ws1
+    name: Rust SDK
+    directory: specs/rust-sdk
+  - id: ws2
+    name: Agent-to-Agent (A2A) Authorization
+    directory: specs/a2a-authorization
+  - id: ws3
+    name: Advanced Analytics Dashboard
+    directory: specs/analytics-dashboard
+  - id: ws4
+    name: Public API Gateway & Rate Limiting SaaS
+    directory: specs/api-gateway-tiers
+  - id: ws5
+    name: Developer Experience (DX) Improvements
+    directory: specs/developer-experience
+  - id: ws6
+    name: AGNTCY Compliance Certification Package
+    directory: specs/agntcy-compliance
+
+artifacts:
+  - proposal.md
+  - design.md
+  - specs/rust-sdk/spec.md
+  - specs/a2a-authorization/spec.md
+  - specs/analytics-dashboard/spec.md
+  - specs/api-gateway-tiers/spec.md
+  - specs/developer-experience/spec.md
+  - specs/agntcy-compliance/spec.md
+  - tasks.md
+
+dependencies:
+  new:
+    - tokio
+    - reqwest
+    - serde
+    - serde_json
+    - swagger-ui-dist
+    - elements-api
+    - archiver
+    - recharts
+    - date-fns
+  existing:
+    - express
+    - postgresql
+    - redis
+    - stripe
+    - next
+    - commander