Lab: Collapsible left rail and repositionable right rail in Lab

Problem

The Lab layout has fixed left and right rails that take up horizontal space whether or not you're using them. On smaller screens or when focusing on an issue's content, the rails crowd the main column and there's no way to reclaim that space or rearrange the layout to suit the task at hand.

Proposed Solution

Collapsible left rail: Add a toggle that collapses the left rail to an icon-only strip (or hides it entirely), with state persisted across sessions (localStorage).
Repositionable right rail: Let the user move the right rail — at minimum, swap it to the left side, or dock/undock it. Persist the preference.

Ideally both rails share a consistent collapse/expand affordance and keyboard shortcut.

Alternatives Considered

Relying on browser zoom or window resizing — doesn't address the desire to keep the main column wide while still showing rail content on demand
A single full-screen 'focus mode' toggle — simpler but less flexible than independent rail controls

Context

This comes up most when reading longer issue descriptions or comment threads, where the narrow main column forces excessive scrolling while the rails sit mostly empty.

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Drag Windows into the Swamp

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CLI dumps 300-line Cliffy Command object on unknown flags / subcommands

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swamp repo upgrade deletes extension model source files

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audit record --from-hook silently drops input from kiro-cli postToolUse hooks

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Trailing slash on /extensions/@<namespace>/ returns 404

No way to browse all extensions belonging to a collective by URL

DatastoreProvider.resolveCachePath declared optional but silently required at runtime

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additionalFiles flatten to basenames on push and lack a runtime access API, creating a source-vs-pulled layout mismatch

Extension search returns inflated results for quoted phrase queries

Docs: document jsr:/https: imports and non-local pinning convention in user-facing manual

First-class jsr: specifier support in extension bundler

Cross-extension code sharing via manifest exports field

Extension models: document/resolve implicit-any in execute parameters when imported by test files

extension yank: allow unyank and version-specific yanks

extension source add does not discover brand new types — only overrides already-pulled types

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Add 'swamp open' command to open the swamp.club web UI

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Datastore sync surfaces opaque errors from extensions verbatim — no status code or body preview

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Extension auto-resolve reports "already_installed" for truncated pulled-extension trees

Email delivery for mention notifications

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Mentions and notifications system for issues

Datastore auto-update in resolve_datastore.ts uses force:true, risking silent overwrite of local edits

Per-repo user-extension bundle cache doesn't invalidate on source changes

Adding methods to in-body `methods:{}` on `export const model` doesn't re-register

User extensions silently dropped when base type not yet registered at scan time

Footer floats when page content is shorter than viewport

workflow validate can silently overwrite local edits to pulled extensions via force-pull in auto-resolver

Extension pull should namespace files by extension to prevent filename collisions

Update CLAUDE.md co-author instructions to use swamp-club issue author lookup

Add swamp issue get CLI command to fetch issue details

swamp-club API: include issue author in GET /api/v1/lab/issues/{number} response

Install command curl-pipe-sh overflows the component on swamp.club homepage

'Assigned to me' overlaps 'Privacy policy' on short viewports

Collapsible left rail and repositionable right rail in Lab

Usernames aren't linked to their profile pages

Filter lab issues by author (opened by user)

Add skills extension type for bundling agent/human guidance documents

Remove traffic lights in column 2 of /lab

Multi-select combo filtering on /lab

data gc skips version-count GC when no lifetime-expired data exists

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Bog flow: text rendering and layout issues

Flow modal: text rendering issues

Normalize text sizing across issue list and detail views

Description 'Show more' button appears even when text fits

Inline editing: click-to-edit fields instead of pencil icons

Persist lab filter selection in localStorage

Update how-to guide with swamp-extension-publish skill

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