Enhance documentation completeness and add diagram links and SLA/SLO targets

.editorconfig

@@ -0,0 +1,19 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = 120
+trim_trailing_whitespace = true
+
+[*.{yml,yaml}]
+indent_size = 2
+
+[*.{js,css,html}]
+indent_size = 2

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug report
+description: Report a bug or documentation issue
+title: "[Bug]: "
+labels: [bug]
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: What happened?
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+  - type: textarea
+    id: context
+    attributes:
+      label: Context
+      description: Links or references

.github/ISSUE_TEMPLATE/doc_change.yml

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+name: Documentation change
+description: Request a documentation update
+title: "[Docs]: "
+labels: [documentation]
+body:
+  - type: textarea
+    id: change
+    attributes:
+      label: Requested change
+    validations:
+      required: true
+  - type: textarea
+    id: reason
+    attributes:
+      label: Reason

.github/ISSUE_TEMPLATE/service_request.yml

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+name: Service request
+description: Request a Cloud Security Service update
+title: "[Service]: "
+labels: [service]
+body:
+  - type: textarea
+    id: request
+    attributes:
+      label: Request
+      description: Describe the requested service change
+    validations:
+      required: true
+  - type: dropdown
+    id: priority
+    attributes:
+      label: Priority
+      options:
+        - Low
+        - Medium
+        - High

.github/pull_request_template.md

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+# Summary
+
+## Checklist
+- [ ] Docs updated
+- [ ] Diagrams updated
+- [ ] Evidence links updated
+- [ ] Security impact assessed

.github/workflows/ci.yml

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+name: CI
+
+on:
+  pull_request:
+  push:
+    branches: [ main ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Markdown lint
+        uses: avto-dev/markdown-lint@v1
+        with:
+          args: 'docs/**/*.md README.md CONTRIBUTING.md SECURITY.md'
+
+      - name: Link check
+        uses: lycheeverse/lychee-action@v1
+        with:
+          args: '--verbose --no-progress docs/**/*.md README.md'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Verify Mermaid blocks
+        run: |
+          rg "```mermaid" docs README.md
+
+      - name: Validate JSON formatting
+        run: |
+          for file in $(rg --files -g '*.json' impl); do
+            jq empty "$file"
+          done

.gitignore

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+.DS_Store
+*.log
+*.tmp
+node_modules/
+.cache/
+.vscode/
+.idea/