dsh-session-title-interval-llm

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A DeepSeek Harness plugin that keeps the sidebar session title tracking the whole conversation: an optional ctx.sessionTitle provider that runs a cheap LLM title request on the first eligible prompt, then re-titles the session every interval new human prompts. It registers the interval cadence — the harness's third automatic mode beside first-prompt and all-prompts — so a deployment routes titles to a cheap model (deepseek-v4-flash and friends) while the working model stays untouched.

The repository ships two packages: packages/session-title-interval-llm (the plugin) and packages/session-title-llm (its vendored shared title-LLM helper: framing, limits, timeout, the session-title-llm settings section, and live re-registration). The helper is vendored so the plugin installs as one self-contained repository; the upstream harness publishes the same package under @deepseek-ai/dsh-session-title-llm and the plugin uses whichever resolution wins.

Two integration modes

• Injected mode — zero harness changes. Set mode: 'injected' in the plugin config: the plugin listens to session/event, counts eligible human messages per session, and appends session/title events directly. The deterministic fallback, the title fold, and the manual-rename pin keep working because every surface reads the log. A /retitle slash command (registered when a commands service is composed) regenerates on demand and deliberately unpins a manual rename. This is the self-contained path: the repository alone delivers the whole feature on a stock harness.
• Provider mode (default). Registers the interval cadence on the session-title service, which requires a harness build whose service ships the interval cadence (deepseek-ai/deepseek-harness upstream change, also carried by the Townrain fork). It integrates with every service-owned surface: automatic scheduling, explicit refresh, and the web session-row Regenerate title action.

Install

Junction the two packages into your profile's healed node_modules, then mount the plugin row:

New-Item -ItemType Junction -Path $env:USERPROFILE\.dsh\profiles\node_modules\@deepseek-ai\dsh-session-title-interval-llm -Target <this-repo>\packages\session-title-interval-llm
New-Item -ItemType Junction -Path $env:USERPROFILE\.dsh\profiles\node_modules\@deepseek-ai\dsh-session-title-llm -Target <this-repo>\packages\session-title-llm

Then add to profiles/<profile>/cordis.patch.yml (disable the bundle's default title provider first, then insert this one):

- id: session-title-llm
  disabled: true
- insert:
    - id: session-title-interval
      name: '@deepseek-ai/dsh-session-title-interval-llm'
      config:
        targetWords: 5
        targetCjkCharacters: 10
        maxInputBytes: 4096
        maxOutputTokens: 64
        timeoutMs: 60000
        interval: 5
        provider: deepseek-official
        model: deepseek-v4-flash
        mode: injected

Restart the harness. With mode: 'injected' the sidebar titles start tracking the conversation on a stock harness: the first eligible prompt is titled immediately, then every interval prompts. /retitle regenerates (and unpins) a title on demand. On a harness with the interval cadence (the fork above), omit mode for the provider path, where the title model, the interval, and the automatic-titles switch also appear under Settings → Plugins → Plugin configuration (the shared session-title-llm settings section) and each session row's three-dot menu gains Regenerate title.

Session-row Regenerate title on stock harness

Injected mode also ships the row-menu surface on stock harnesses: the plugin registers a webserver bridge, POST /plugins/session-title/retitle ({ "sessionId": "..." }), that resolves any persisted session via sessions.get (no live agent required, so historical rows work) and runs the same regeneration path as /retitle — the deliberate unpin included.

To surface it as a menu item, pair this plugin with dsh-session-title-settings-card, which injects the Regenerate title entry into the stock session-row menu and patches the two stock seams the fork carries (its scripts/patch-stock.mjs is idempotent — re-run after every dsh upgrade). Without the card plugin, the bridge is still reachable directly (curl, other clients).

Configuration

See packages/session-title-llm/README.md for the shared required fields (targetWords, targetCjkCharacters, maxInputBytes, maxOutputTokens, timeoutMs, optional paired provider/model, optional enabled) and packages/session-title-interval-llm/README.md for the interval cadence contract.

Omit both provider and model to inherit the exact route from each logged main request; set both to route titles independently of the working model.

License

MIT — see LICENSE.