refactor(dashboard): extract SW4RM domain from tabs.js into swarm.js

tabs.js shrinks from 1651 to 457 lines. swarm.js is a new 1217-line
module that owns the containers/selection-bar/peer-hives domain:

- Container-state apply handlers (applyContainerStateChanged/Removed)
- Rebuild-queue sync + apply (syncRebuildQueueFromSnapshot, applyRebuildQueueChanged)
- Transient-state sync + apply (syncTransientsFromSnapshot, applyTransientSet/Cleared)
- renderContainersFromState (re-render from cached snapshot)
- Per-agent context menu (buildAgentMenu, agentMenuPost, closeAllAgentMenus)
- Topology tree builder (buildAgentTree, treePrefixDom)
- Container row (containerRowFingerprint, buildContainerLi, renderContainers)
- Selection bar (renderSelectionBar, addMoveActions, validReparentCandidates, addBulkButton)
- Peer hives section (renderPeerHives)
- Status-age ticker (30s setInterval for .status-age[data-set-at] spans)
- CTX_WARN/CTX_CAUTION constants
- Selection event listeners (Esc to clear, click on selection-clear)
- Agent-menu event listeners (click outside to close, Esc to close)

tabs.js (coordinator) retains:
- notifyDeltas + seenApprovals/seenQuestions/seededNotify
- bindAsyncForms
- Cross-domain ticker (approval request-age + reminder/schedule due-at)
- refreshState, pollTimer, operatorIsTyping, snapshotOpenDetails
- MUTATION_HANDLERS dispatch + bindDashboardStream
- activateTab, createTabStrip, initCall, refreshTabCounts, setTabCount

Behaviour-preserving code-move. Build verified.
This commit is contained in:
iris 2026-07-04 11:28:32 +02:00 committed by mara
commit 9b607e2857
2 changed files with 1234 additions and 1211 deletions

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