Ima Copilot Sync

One-way sync your Tencent IMA knowledge base and notes into Obsidian: web clippings auto-converted to Markdown, images downloaded locally, file attachments (PDF/Word/PPT) saved as-is, all with frontmatter metadata for offline search.

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Features

• Multi Knowledge Base Sync: Add multiple knowledge bases, each synced into its own folder with mirrored directory structure.
• Notes Sync: Sync standalone notes into a Notes/ subfolder, toggleable on/off.
• Automatic Content Conversion:
  • Notes and articles converted to Markdown (auto-adapts to HTML, Markdown, or plain text input).
  • Web articles downloaded and converted to Markdown with source link preserved; graceful fallback on failure.
  • PDF / Word / PPT / Excel / images downloaded as-is, with auto-generated .md stub for searchability.
• Image Localization: Inline images downloaded to attachment directory (per-kb or Obsidian global setting), links rewritten to ![[local-file]] wikilinks.
• Smart Incremental Sync: Uses doc_id as primary key. Standalone notes compared by modify_time; wiki items use "skip if exists" strategy (API limitation). Clear cache to trigger full re-sync.
• Frontmatter Metadata: Writes title / created / source / tags to each document. User-added properties preserved on update.
• Scheduled Auto Sync: Configurable interval (minutes/hours/days), min interval guard at 5 minutes. Mutex prevents concurrent syncs.
• Cache Management: "Clear Cache" button (with confirmation) resets sync index only — documents and settings are untouched.
• Quota Protection: Detects API quota exceeded and immediately halts sync with a notice.
• Privacy First: API Key masked in settings. Credentials stored locally only. All requests go to ima.qq.com exclusively.

Installation

From Release

1. Download main.js, manifest.json, styles.css from the latest Release.
2. Create .obsidian/plugins/ima-sync/ in your vault.
3. Copy the three files into that directory.
4. Obsidian → Settings → Community Plugins → turn off Safe Mode → enable "Ima Copilot Sync".

From Source

git clone https://github.com/hifengzy/ima-sync.git
cd ima-sync
npm install
npm run build    # produces main.js

Copy main.js, manifest.json, styles.css into .obsidian/plugins/ima-sync/ and enable.

Configuration

Get IMA API Credentials

1. Visit IMA Open Platform to obtain your Client ID and API Key.

Plugin Settings

1. Obsidian → Settings → Ima Copilot Sync.
2. IMA Auth: Enter Client ID and API Key, click "Verify" to test.
3. Knowledge Bases: Click "Add KB", select from the list (multiple supported).
4. Notes Sync: Toggle standalone notebook sync.
5. Sync Root Path: Set the target root directory (relative path, e.g. ima or A/B).
6. Attachments: per-kb (inside each KB folder) or obsidian-global (inherit Obsidian's global setting).
7. Auto Sync: Optionally enable scheduled sync with configurable interval.
8. Click "Sync Now" or use the ribbon button.

Directory Structure

<vault>/
└── ima/                          # sync root (user-configured)
    ├── KB-A/                      # each knowledge base as a folder
    │   ├── article-1.md
    │   ├── subfolder/             # mirrors IMA folder hierarchy
    │   │   └── article-2.md
    │   ├── report.pdf
    │   ├── report.md              # stub for file attachments
    │   └── attachments/           # per-kb attachment mode
    │       └── doc123-1.png
    ├── KB-B/
    │   └── ...
    └── Notes/                     # when notes sync is enabled
        ├── note-1.md
        └── ...

Sync Strategy

Incremental sync: standalone notes compared by modify_time; wiki items use "skip if exists" due to API not returning update_time. Deletion is conservative — files removed on IMA are kept locally. To rebuild from scratch, clear the cache and sync again.

Rate Limiting & Retry

• 2 QPS serial throttling (RateLimiter).
• 30-second request timeout (REQUEST_TIMEOUT_MS).
• Retryable errors (5xx, network errors) with exponential backoff: 1s → 2s → 4s, cap 8s, max 3 retries.
• Business errors (401, quota exceeded) are fatal and do not retry.

Development

npm run dev              # watch mode with sourcemaps
npm run build            # type-check + production build
npm run typecheck        # type-check only

# verification tests
npm run verify:frontmatter
npm run verify:quota
npm run verify:naming
npm run verify:unit
npm run verify:constants
npm run verify:normalize
npm run verify:images
npm run verify:clear

# E2E smoke test (requires real API credentials)
npm run test:build
IMA_CLIENT_ID=xxx IMA_API_KEY=xxx npm test

Project Structure

src/
├── api/              # IMA OpenAPI client
│   ├── imaClient.ts      # auth, throttling, retry, fetchUrl
│   ├── endpoints.ts      # pagination and recursive traversal
│   ├── errors.ts         # tiered errors (fatal / retryable / quota)
│   └── types.ts          # API data types
├── sync/             # sync engine
│   ├── SyncManager.ts    # core orchestration
│   ├── SyncIndex.ts      # local sync index (doc_id → metadata)
│   └── SyncState.ts      # mutex lock
├── transform/        # content conversion
│   ├── htmlToMarkdown.ts
│   ├── frontmatter.ts    # properties construction and writing
│   ├── imageDownloader.ts
│   ├── fileDownloader.ts
│   ├── webArticle.ts     # web page body extraction
│   └── imageNaming.ts
├── ui/               # UI components
│   ├── KbPickerModal.ts  # knowledge base picker (fuzzy search)
│   ├── ConfirmModal.ts   # confirmation dialog
│   └── ProgressNotice.ts # progress and summary notices
├── settings/         # settings
│   ├── types.ts          # config types and defaults
│   └── SettingTab.ts     # settings UI
├── utils/            # utilities
│   ├── path.ts           # path, filename sanitization, attachment dir
│   ├── rateLimiter.ts    # 2 QPS throttling
│   └── logger.ts         # console wrapper with [imasync] prefix
├── main.ts           # plugin entry: lifecycle, commands, ribbon, scheduler
└── constants.ts      # URLs, enums, defaults

Privacy

• Credentials stored only in local data.json (excluded from git).
• API Key masked in settings UI.
• All API requests sent exclusively to https://ima.qq.com.
• One-way sync (IMA → Obsidian). Never writes back or deletes from IMA.
• Error messages never expose credentials.

License

MIT © hifengzy