[Spec] Cache REST API (scaffold)

_specs/cache-rest-api/v1/api.md

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+---
+layout: spec
+title: Cache REST API — API
+nav_title: "API"
+nav_order: 30
+---
+# API
+## Overview
+- Audience & usage; versioning policy
+
+## Base Info
+- **Base URL:** `https://api.example.com`
+- **Auth:** Bearer / API key / OAuth2
+- **Content-Type:** `application/json`
+- **Rate limits / Pagination / Idempotency**
+- **Webhooks** (delivery, retries, signatures)
+
+## Errors
+```json
+{ "error": { "code": "RESOURCE_NOT_FOUND", "message": "…", "details": {} } }
+```
+
+## Endpoints
+### GET /v1/things
+- Params: `page`, `limit`
+- Response:
+```json
+{ "items": [], "next": "…" }
+```
+- Sample:
+```bash
+curl -H "Authorization: Bearer $TOKEN" \
+     "https://api.example.com/v1/things?limit=20"
+```
+
+## Webhooks (if any)
+- …
+
+## SDK Mapping
+- …

_specs/cache-rest-api/v1/assets/README.md

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+# Assets for this spec
+
+Use this folder for diagrams, images, and attachments referenced by pages in this spec.
+
+Suggested:
+- `assets/diagrams/`     — draw.io, Excalidraw, PlantUML exports, ERDs
+- `assets/images/`       — screenshots/static images
+- `assets/attachments/`  — PDFs, sheets, other binaries

_specs/cache-rest-api/v1/hld.md

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+---
+layout: spec
+title: Cache REST API — HLD
+nav_title: "High-Level Design"
+nav_order: 10
+---
+# HLD
+## Context & Goals
+- …
+
+## Architecture (diagram)
+- Place diagrams under `assets/diagrams/` and embed here.
+
+## Components
+| Component | Responsibility | Runs where | Notes |
+|---|---|---|---|
+|   |   |   |   |
+
+## Interactions
+- Key request/response flows
+- External integrations
+
+## Non-functional Requirements
+- Performance, scalability, security, observability
+
+## Constraints & Assumptions
+- …
+
+## Alternatives Considered
+- …
+
+## Risks & Mitigations
+- …
+
+## Dependencies
+- …
+
+## Open Questions
+- …

_specs/cache-rest-api/v1/index.md

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+---
+layout: spec
+epic: MXOP-2314
+family: Cache REST API
+version: v1
+title: Cache REST API
+status: in-progress
+stage: dev
+spec_version: "1.0.0"
+owner: "@pranavwani"
+team: ""
+created_at: 2025-09-11
+updated_at:
+tags: []
+changelog:
+  - date: 2025-09-11
+    text: "Initial scaffold from issue #55"
+nav_title: "Overview"
+nav_order: 0
+---
+## Summary
+Cache REST API
+
+## Scope
+Cache REST API
+
+## Risks & assumptions
+Cache REST API
+
+## Related Docs
+- [High-Level Design](./hld.md)
+- [Low-Level Design](./lld.md)
+- [API](./api.md)
+- [QA / Test Plan](./qa-test.md)
+
+## Related Links
+- Cache REST API

_specs/cache-rest-api/v1/lld.md

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+---
+layout: spec
+title: Cache REST API — LLD
+nav_title: "Low-Level Design"
+nav_order: 20
+---
+# LLD
+## Module Breakdown
+- Module A/B with public interfaces and internals
+
+## Data Structures & Storage
+- Entities/DTOs, schemas, migrations
+
+## Algorithms & State
+- Pseudocode / state machines
+
+## Configuration
+```yaml
+feature_enabled: true
+timeout_ms: 5000
+retry: { attempts: 3 }
+```
+
+## Error Handling
+- Taxonomy, retries, idempotency, backoff
+
+## Logging & Instrumentation
+- Logs, metrics (names/types/labels), tracing spans
+
+## Security Details
+- Permissions, secrets, validation
+
+## I18n/Accessibility (if applicable)
+- …
+
+## Edge Cases
+- …

_specs/cache-rest-api/v1/qa-test.md

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+---
+layout: spec
+title: Cache REST API — QA / Test Plan
+nav_title: "QA / Test Plan"
+nav_order: 60
+---
+# QA / Test Plan
+## Strategy
+- Unit / integration / E2E
+
+## Coverage vs Acceptance Criteria
+- Trace each AC to tests
+
+## Test Data & Environments
+- …
+
+## Performance / Security / UAT
+- …
+
+## Sign-off Checklist
+- …