docs: establish FraudShield constitution v1.0.0

6 core principles: Security-First, Explainability, Test-First,
Observability, Data Privacy by Design, Simplicity (YAGNI).
Includes Security & Compliance, Development Workflow, and Governance sections.

.specify/workflows/speckit/workflow.yml

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+schema_version: "1.0"
+workflow:
+  id: "speckit"
+  name: "Full SDD Cycle"
+  version: "1.0.0"
+  author: "GitHub"
+  description: "Runs specify → plan → tasks → implement with review gates"
+
+requires:
+  speckit_version: ">=0.7.2"
+  integrations:
+    any: ["copilot", "claude", "gemini"]
+
+inputs:
+  spec:
+    type: string
+    required: true
+    prompt: "Describe what you want to build"
+  integration:
+    type: string
+    default: "copilot"
+    prompt: "Integration to use (e.g. claude, copilot, gemini)"
+  scope:
+    type: string
+    default: "full"
+    enum: ["full", "backend-only", "frontend-only"]
+
+steps:
+  - id: specify
+    command: speckit.specify
+    integration: "{{ inputs.integration }}"
+    input:
+      args: "{{ inputs.spec }}"
+
+  - id: review-spec
+    type: gate
+    message: "Review the generated spec before planning."
+    options: [approve, reject]
+    on_reject: abort
+
+  - id: plan
+    command: speckit.plan
+    integration: "{{ inputs.integration }}"
+    input:
+      args: "{{ inputs.spec }}"
+
+  - id: review-plan
+    type: gate
+    message: "Review the plan before generating tasks."
+    options: [approve, reject]
+    on_reject: abort
+
+  - id: tasks
+    command: speckit.tasks
+    integration: "{{ inputs.integration }}"
+    input:
+      args: "{{ inputs.spec }}"
+
+  - id: implement
+    command: speckit.implement
+    integration: "{{ inputs.integration }}"
+    input:
+      args: "{{ inputs.spec }}"

.specify/workflows/workflow-registry.json

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+{
+  "schema_version": "1.0",
+  "workflows": {
+    "speckit": {
+      "name": "Full SDD Cycle",
+      "version": "1.0.0",
+      "description": "Runs specify \u2192 plan \u2192 tasks \u2192 implement with review gates",
+      "source": "bundled",
+      "installed_at": "2026-05-11T22:30:52.738244+00:00",
+      "updated_at": "2026-05-11T22:30:52.738254+00:00"
+    }
+  }
+}