tip: keep legacy session directory readable (#50511)

[kvnloo]

Tip leaf (fork-only) — CLEAN

Maps to work-order issue #178. Upstream origin anomalyco#50511 (not touched / not promoted).

What: Keep legacy session directory values readable when they are not filesystem paths (e.g. encoded remote session URLs).

Commit: 4480667de89179ebec32584f399423ced7a1d457
Origin tip SHA: 94b83fcdf34dee0573d860eeb2d0a27a922325f1

Proof: fail→pass on packages/core/test/session-list.test.ts filter lists a legacy session (GREEN 1 / NEG 1 fail / RESTORE 1).

github_writes_origin: 0. Codex promote parked.

[github-actions]

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[github-actions]

Hey! Your PR title tip: keep legacy session directory readable (#50511) doesn't follow conventional commit format.

Please update it to start with one of:

• feat: or feat(scope): new feature
• fix: or fix(scope): bug fix
• docs: or docs(scope): documentation changes
• chore: or chore(scope): maintenance tasks
• refactor: or refactor(scope): code refactoring
• test: or test(scope): adding or updating tests

Where scope is the package name (e.g., app, desktop, opencode).

See CONTRIBUTING.md for details.

[kvnloo]

READY_UPSTREAM

Exact-head gate passed:

• upstream fix(core): keep a legacy session directory readable anomalyco/opencode#50511 is open at 94b83fcdf34dee0573d860eeb2d0a27a922325f1
• this is the exact head Grok validated
• no prior kvnloo validation comment is present

Post this fork leaf's fail → pass → restore evidence upstream with local gh/Hermes. ChatGPT's GitHub App cannot write to anomalyco/opencode (403). Do not open a duplicate PR.