web: sessions not grouped under project on homepage when the same directory is loaded with two drive-letter cases (D:\ vs d:\) #51797

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1. github-actions

   assigned

   Hona

   on Sep 28, 2026
2. github-actions commented on Sep 28, 2026

   

   github-actionsBot

   on Sep 28, 2026 – with GitHub Actions

   Contributor

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   This issue might be a duplicate of existing issues. Please check:

   • #49556: Windows session listings miss results when the requested directory differs only by case.
   • #14570: Web/Desktop hides sessions and duplicates workspaces when equivalent Windows paths differ in drive-letter case or slash format.
   • #17183: Windows path-format differences across clients cause sessions to disappear from project views.

   For keybind-related issues, please also check our pinned keybinds documentation: #4997
3. opencodejr commented on Oct 28, 2026

   

   opencodejrBot

   on Oct 28, 2026

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   Thanks for the detailed report. I was able to reproduce this, both on v2.0.18 and on the latest dev (86ce19d). The sandbox runs Linux, so I checked the two code paths you point to directly rather than running a real Windows server:

   • Web UI home page: with a project at d:\Codes\processv3 and a session whose location.directory is D:\Codes\processv3, the home page's session filter returns no sessions. It compares directories with a case-sensitive key, even though other path helpers in the codebase already ignore drive-letter case on Windows.
   • Server: with win32 simulated, the step that normalizes location directories keeps D:\Codes\processv3 and d:\Codes\processv3 as two different keys. That fits the two entries you saw in /api/debug/location.

   The script below runs both checks. Until this is fixed, opening the project with the same drive-letter case every time should keep the sessions grouped. A related fix for the same kind of case mismatch elsewhere is #53349.

   Reproduction script (repro.sh)

   #!/usr/bin/env bash
   # Repro for #51797: Windows drive-letter case variants (D:\ vs d:\) are treated as
   # different directories by core's Location canonicalization and by the web Home
   # session filter. Runs against an opencode checkout (default /workspace/repo).
   # The core check simulates win32 by overriding process.platform (sandbox is Linux).
   set -euo pipefail
   REPO="${1:-/workspace/repo}"
   
   APP_TEST="$REPO/packages/app/src/home/sessions/repro-51797.test.ts"
   CORE_TEST="$REPO/packages/core/test/repro-51797.test.ts"
   trap 'rm -f "$APP_TEST" "$CORE_TEST"' EXIT
   
   cat > "$APP_TEST" <<'EOF'
   import { expect, test } from "bun:test"
   import type { SessionInfo } from "@opencode/client/promise"
   import type { LocalProject } from "@/shell/state/layout"
   import { buildHomeSessionRecords } from "./records"
   
   test("#51797 home groups sessions whose drive letter differs only in case", () => {
     const project = { id: "p", worktree: "d:\\Codes\\processv3" } as LocalProject
     const session = {
       id: "s1", projectID: "p", title: "s1",
       location: { directory: "D:\\Codes\\processv3" },
       time: { created: 1, updated: 1 },
     } as SessionInfo
     const records = buildHomeSessionRecords({
       sessions: () => [session],
       projectDirectories: () => ["d:\\Codes\\processv3"],
       projects: () => [project],
     })
     console.log("home records for project d:\\Codes\\processv3:", records.map((r) => r.session.id))
     expect(records.map((r) => r.session.id)).toEqual(["s1"])
   })
   EOF
   
   cat > "$CORE_TEST" <<'EOF'
   import { expect, test } from "bun:test"
   
   test("#51797 canonical location treats D:\\ and d:\\ as one directory on win32", async () => {
     Object.defineProperty(process, "platform", { value: "win32" })
     const { LocationServiceMap } = await import("../src/location-service-map")
     const a = LocationServiceMap.canonical({ directory: "D:\\Codes\\processv3" } as any).directory
     const b = LocationServiceMap.canonical({ directory: "d:\\Codes\\processv3" } as any).directory
     console.log("canonical:", JSON.stringify(a), JSON.stringify(b))
     expect(a).toBe(b)
   })
   EOF
   
   echo "== app: Home session filter =="
   JSX_PRELOAD=""
   [ -f "$REPO/packages/ui/test/solid-jsx.ts" ] && JSX_PRELOAD="--preload ../ui/test/solid-jsx.ts"
   (cd "$REPO/packages/app" && bun test --conditions=solid --isolate $JSX_PRELOAD --preload ./happydom.ts ./src/home/sessions/repro-51797.test.ts) || true
   echo "== core: LocationServiceMap.canonical (win32 simulated) =="
   (cd "$REPO/packages/core" && bun test ./test/repro-51797.test.ts) || true

   Run it: bash repro.sh
4. opencodejr

   added

   reproduced

   on Oct 28, 2026