Support chDB

[wyhaya]

No description provided.

[Copilot]

Pull request overview

Adds first-class support for chDB as a SQL database option across the app (connection config + UI + Tauri backend), largely treating it as a ClickHouse-compatible engine.

Changes:

• Introduces a new SqlDatabaseType.ChDb and ChDbConfig, wiring it through connection creation, URL parsing, icons, SQL editor highlighting, escaping, schema tooling, and backups.
• Adds a new Rust chdb crate (dylib-backed) and integrates it into the database crate as a new Database::ChDb variant.
• Adds a dedicated connection options editor UI for chDB.

Reviewed changes

Copilot reviewed 20 out of 21 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src-web/ui/database-icon.tsx	Shows ClickHouse icon for chDB connections.
src-web/tauri/database/config.ts	Adds SqlDatabaseType.ChDb, ChDbConfig, and includes chDB in ALL_DATABASE_TYPE.
src-web/pages/database/sql-editor/language/index.ts	Maps chDB to an existing Monarch token provider selection.
src-web/pages/database/hooks/use-store.ts	Treats chDB as a SQL database type (not KV).
src-web/pages/database/hooks/use-db.ts	Assigns default schema behavior for chDB.
src-web/pages/database/db/escape.ts	Adds chDB to identifier/escape behavior groupings.
src-web/pages/database/db/db.ts	Adds chDB handling across many SQL capability/query switch branches (mostly ClickHouse-aligned).
src-web/pages/database/ai/services.ts	Adds an AI display name mapping for chDB.
src-web/pages/connections/utils.ts	Adds default config + URL encode/decode support for chdb:// connections.
src-web/pages/connections/options-editor/chdb.tsx	New UI editor tab for chDB connection options.
src-web/pages/connections/connections.tsx	Registers chDB editor component in the connection editor router.
src-web/pages/backup/utils.tsx	Enables backup config generation for chDB connections.
src-tauri/sql.rs	Maps SqlDatabaseType::ChDb to ClickHouse SQL dialect handling.
src-crates/database/src/lib.rs	Adds Database::ChDb and wires connect/test/select/execute/transaction/query/batch_insert dispatch.
src-crates/database/src/chdb.rs	New database adapter implementing chDB operations via chdb::Connection.
src-crates/database/Cargo.toml	Adds chdb dependency to the database crate.
src-crates/connection-config/connection_config.rs	Adds ConnectionConfig::ChDb, SqlDatabaseType::ChDb, and ChDbConfig serialization support.
src-crates/chdb/src/lib.rs	New dylib-backed chDB driver wrapper (connect/execute/query/select) + unit test.
src-crates/chdb/src/ffi.rs	Defines FFI types and symbol signatures for the chDB driver.
src-crates/chdb/examples/chdb.rs	Adds a small runnable example demonstrating basic chDB usage.
Cargo.lock	Adds the new chdb crate to the lockfile.

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