merge: upstream kilocode v7.2.36

[yunqiqiliang]

Merge upstream kilocode v7.2.36 into czcode.

Changes from upstream

• New packages/core package (extracted from packages/shared and packages/opencode)
• HTTP API route refactoring (split into modular httpapi files)
• MCP OAuth callback support
• Snapshot tracking feature
• Session path migration
• Various bug fixes and improvements

Conflict resolution

• packages/core/src/global.ts: Applied app = "czcode" and CZCODE_TEST_HOME env var
• packages/opencode/src/config/config.ts: Kept czcode builtin commands import + upstream's new options param on update()
• packages/opencode/src/kilocode/config/config.ts: Updated imports to new @opencode-ai/core paths, kept .czcode dir suffixes
• packages/opencode/src/session/system.ts: Adopted upstream's nested prompt() function pattern, kept gpt55 case
• packages/opencode/src/cli/cmd/tui/routes/home.tsx: Updated TuiPluginRuntime import path
• packages/sdk/js/src/v2/gen/types.gen.ts: Removed duplicate type definitions
• packages/opencode/src/kilocode/singclaw/hooks.ts: Updated Log import to new path
• All package.json files: Took upstream versions
• bun.lock: Regenerated (removed stale ghostty-web private repo reference)

Verification

• All 14 packages typecheck successfully
• No conflict markers remaining