fix(agent-manager): keep chat in sync with session selection while offline

[marius-kilocode]

Problem

In Agent Manager, switching sessions sometimes updated only the side diff while the chat stayed frozen on the previously selected session. The two views are driven by different signals: the chat follows currentSessionID (moved only by selectSession), while the side diff resolves its session from the selected worktree and has a fallback that does not depend on currentSessionID.

selectSession bailed out early and silently whenever the webview's backend connection was not "connected" at the moment of the click:

if (!server.isConnected()) {
  console.warn("[Kilo New] Cannot select session: not connected")
  return
}

So during a transient disconnect (backend restart, an SSE reconnect, or a stale connection signal in that webview) a click still ran setSelection(...) and moved the diff, but setCurrentSessionID never ran and the conversation pane stayed on the old session. Because the not-connected window is brief, the behavior was intermittent and hard to reproduce on demand.

Change

selectSession now updates currentSessionID and the draft selection synchronously, regardless of connection state. These are local signals and need no backend, so the chat always tracks the sidebar/tab selection. Only the message fetch depends on the backend: when offline the fetch is deferred rather than dropped, and it is replayed once the connection is restored, scoped to the still-current and still-unloaded session so the normal connected path never double-fetches. Cached sessions render immediately from the store.

This removes the divergence between the chat and the side diff: both always reflect the same selected session, and a momentary not-connected state defers the network load instead of freezing the pane.

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (2 files)

• packages/kilo-vscode/tests/unit/session-select-connection.test.ts
• packages/kilo-vscode/webview-ui/src/context/session.tsx

Previous Review Summary (commit 76d0b21)

Current summary above is authoritative. Previous snapshots are kept for context only.

Previous review (commit 76d0b21)

Status: 1 Issues Found | Recommendation: Address before merge

Overview

Severity	Count
CRITICAL	0
WARNING	1
SUGGESTION	0

Fix these issues in Kilo Cloud

Issue Details (click to expand)

WARNING

File	Line	Issue
packages/kilo-vscode/webview-ui/src/context/session.tsx	2546	Cached session selections made while offline never replay the focus path after reconnect, so the provider can stay focused on the previous session and skip reconcile/self-heal for the newly selected cached session.

Files Reviewed (3 files)

• .changeset/fix-agent-manager-session-switch-offline.md
• packages/kilo-vscode/tests/unit/session-select-connection.test.ts
• packages/kilo-vscode/webview-ui/src/context/session.tsx - 1 issue

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_{Reviewed by gpt-5.4-20260305 · Input: 80.1K · Output: 7.3K · Cached: 364.5K}

_{Review guidance: REVIEW.md from base branch main}