feat: add tenant and user management with migrations, handlers, and tests

- Implemented tenant and user management features including:
  - Tenant creation and management with associated migrations.
  - User creation and management with associated migrations.
  - Tenant membership management with associated migrations.
  - Platform user roles management with associated migrations.
  - Quota management with associated migrations.
  - Article and template management with associated migrations.
- Added HTTP handlers for templates and workspaces.
- Created tests for protected and public routes.
- Introduced a script to check tenant scope in SQL queries.
- Documented task plan for backend completion and frontend foundation.

server/configs/config.local.yaml.example

@@ -0,0 +1,34 @@
+# Copy this file to config.local.yaml and adjust values for your local environment.
+# config.local.yaml is gitignored.
+
+server:
+  port: 8080
+  mode: debug
+
+database:
+  host: localhost
+  port: 5432
+  user: geo
+  password: geo_dev
+  dbname: geo
+
+redis:
+  addr: localhost:6379
+
+jwt:
+  secret: "your-local-secret"
+
+llm:
+  provider: ark
+  base_url: https://ark.cn-beijing.volces.com/api/v3
+  model: doubao-seed-2-0-lite-260215
+  timeout: 2m
+  max_output_tokens: 4000
+  temperature: 0.7
+  # Prefer environment override for secrets:
+  # export LLM_API_KEY=your-api-key
+
+generation:
+  queue_size: 128
+  worker_concurrency: 1
+  stream_enabled: false

server/configs/config.yaml

@@ -0,0 +1,41 @@
+server:
+  port: 8080
+  mode: debug
+
+database:
+  host: localhost
+  port: 5432
+  user: geo
+  password: geo_dev
+  dbname: geo
+  sslmode: disable
+  max_open_conns: 25
+  max_idle_conns: 5
+
+redis:
+  addr: localhost:6379
+  db: 0
+
+jwt:
+  secret: "dev-secret-change-in-production"
+  access_ttl: 15m
+  refresh_ttl: 168h
+
+log:
+  level: debug
+  format: json
+
+llm:
+  provider: ark
+  base_url: https://ark.cn-beijing.volces.com/api/v3
+  api_key: "7fb6c66b-129c-4935-9617-709236c4205a"
+  model: doubao-seed-2-0-lite-260215
+  timeout: 2m
+  max_output_tokens: 4000
+  temperature: 0.7
+
+generation:
+  queue_size: 128
+  worker_concurrency: 1
+  stream_enabled: false
+