afoxsss/dsh-conversation-map

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Conversation Minimap — a DeepSeek Harness (dsh) Web client plugin.

Current version: 0.1.8

Renders a draggable conversation minimap on the right side of the chat area — preview the whole conversation like an editor minimap and scroll with a flick:

✨ Features

• 🎨 Dual modes: below 50px wide, color-block mode colors rows by message type (🔵 user / ⚪ assistant / 🟡 tool call / 🟢 command / 🔴 error, hover for a content preview); at ≥ 50px it automatically switches to thumbnail mode, which renders the entire conversation scaled down so you can see the real structure of messages, code blocks, and cards.
• ↔️ Drag to resize: drag the left handle (10–320px); the right edge stays pinned and a live width badge appears while dragging.
• ⚡ Fast scrolling: click anywhere to jump (the content you click scrolls to the top of the screen), press and drag for continuous scrolling; a current-visible-region frame is always shown on the map (it marks the part of the conversation currently on screen) — proportional in color-block mode, while in thumbnail mode the frame is what you see on screen: grab the frame and drag it up or down and it tracks your pointer 1:1, scrolling the session and the miniature together, sitting flush against the track's ends at the very top and bottom of the conversation.
• 🔍 Hover loupe: in thumbnail mode, hovering anywhere opens a live magnified preview beside the cursor showing the full row, following the mouse in real time.
• 📌 Collapse/expand: hover the top of the map and click » to collapse into a 4px strip; a persistent « label stays on the strip, and clicking either the label or the strip expands it again.
• 🔄 Live sync: refreshes automatically while messages stream, tools run, or sessions switch; follows sidebar/detail-panel toggles and window resizes.
• 📐 Adaptive height: the map height scales with the conversation — the thumbnail zoom is determined solely by width (map width / content width, capped at 1:1) and is independent of conversation length, so even a very long session stays crisp instead of being squeezed into a hairline; the height grows continuously with content until it caps at the available height, and once content exceeds the track the miniature pans vertically with scrolling (minimap semantics: the track holds a window of content sliding around the visible region), with the part currently on screen always truthfully marked by the frame and kept inside the track.

📸 Screenshots

Thumbnail mode (widened, the whole conversation scaled down):

Color-block mode (narrow strip, colored by message type, hover to preview):

🚀 Installation

Install the latest version (default):

dsh plugin --profile web add dsh-conversation-map

Install a specific version (dsh plugin add forwards to pnpm, so any npm version spec works):

# Pin an exact version
dsh plugin --profile web add dsh-conversation-map@0.1.8

# Upgrade to the latest version
dsh plugin --profile web update dsh-conversation-map@latest

Verify the layer is mounted, then start:

dsh --profile web --dump-config   # should show a "# == dsh-conversation-map" layer
dsh --profile web

🗑️ Uninstall: dsh plugin --profile web remove dsh-conversation-map

🧩 Compatibility

• 🧭 DOM contract: DeepSeek Harness is in developer preview and its interfaces change breakingly; this plugin builds on the dsh 0.1.x Web conversation DOM contract:
  • [data-conversation-scroll] the conversation scroll container (note: the framework rebuilds the conversation column on every session switch, so this container is a fresh DOM node each time — the plugin observes a stable ancestor and re-resolves on every computation instead of holding the old node)
  • [data-chat-anchor-key] / [data-chat-flow-kind] conversation node rows
  • [data-composer-seat] the bottom input area
• 🧲 Persistent map: no refresh needed when switching sessions; the color-block/thumbnail content follows the current session automatically, and an empty track shows while a new session loads.
• 💾 State persistence: width and collapsed state persist in the browser's localStorage (keys dsh-conversation-map:width / dsh-conversation-map:collapsed) across session switches and page reloads.
• 🔒 Pure client: the Host half is a no-op; the browser half mounts through the shell.overlay slot and only uses the react and slots platform services — no network requests, no telemetry (no persistence beyond the localStorage state above).

🛠️ Development

pnpm install
pnpm run build    # tsdown → lib/client.js (__ModuleLoader__ factory wrapper)

Build artifact contract: CJS wrapped in window.__ModuleLoader__.load({ id, factory }); platform modules like react stay external, everything else is inlined (the plugin has no dependencies besides react).

⚙️ Customization

• Thumbnail threshold: THUMB_MIN_WIDTH in src/client/index.ts (default 50)
• Thumbnail zoom: thumbScaleFor() always returns map width / content width (capped at 1) regardless of conversation length; very long sessions pan vertically inside the track as you scroll, with the pan derived from the frame's position (src/client/geometry.ts) so the frame always encloses exactly what is on screen
• Width range: WIDTH_MIN / WIDTH_MAX (default 10 / 320)
• Thumbnail refresh throttle: THUMB_CLONE_INTERVAL (default 200ms)
• Loupe parameters: LOUPE_W / LOUPE_H (default 854 / 200, whole row scaled to panel width), LOUPE_SCALE (zoom cap, default 1 = real scale)

📄 License

MIT

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