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feat(dialect): add SQLite database dialect abstraction and support
Introduce pkg/dialect/ with MySQL/SQLite implementations, DDL translation for SQLite, generalized database init/mock commands, rename kvcache mysql-memory to sqltable, add SQLite CI smoke tests and E2E coverage, improve frontend discard-changes UX and toolbar testability, and update sqlite-database-support OpenSpec artifacts. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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‎.github/workflows/main-ci.yml‎

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TZ: "Asia/Shanghai"
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jobs:
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unit-tests:
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# Backend Unit Tests
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backend-unit-tests:
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runs-on: ubuntu-latest
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services:
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- name: Run Unit Tests
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run: |
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cd apps/lina-core && go test -v ./...
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# SQLite Backend Smoke Tests
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sqlite-smoke:
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runs-on: ubuntu-latest
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steps:
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- name: Setup Timezone
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uses: szenius/set-timezone@v2.0
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with:
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timezoneLinux: "Asia/Shanghai"
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- name: Checkout Repository
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uses: actions/checkout@v5
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- name: Setup Go
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uses: actions/setup-go@v5
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with:
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go-version: "1.25"
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cache-dependency-path: '**/go.sum'
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- name: Run SQLite Backend Smoke
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run: |
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./hack/tests/scripts/run-sqlite-smoke.sh

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‎Makefile‎

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# Initialize the backend database with schema and required seed data.
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# The backend dispatches by database.default.link, for example MySQL or SQLite.
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# 初始化后端数据库表结构和系统必需的种子数据。
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# 后端会按 database.default.link 自动分发到 MySQL 或 SQLite 等方言。
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## init: Initialize the database with DDL and seed data only
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init:
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@cd $(BACKEND_DIR) && $(MAKE) init confirm=$(confirm) $(if $(rebuild),rebuild=$(rebuild),)
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# Load optional mock data for local demos and development verification.
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# Mock loading uses the same database.default.link dialect and requires init first.
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# 加载用于本地演示和开发验证的可选 Mock 数据。
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# Mock 加载使用同一个 database.default.link 方言，并要求先完成 init。
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## mock: Load mock demo data after init
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.PHONY: mock
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mock:

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