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IPW Package - E6:S06:T57 (BR-039)

Task ID: E6:S06:T57
Host Task: T57-br039-cascade-whitelist-security-prompt-blocker.md
Intake BR: BR-039-cascade-whitelist-security-prompt-usability-blocker.md
Scope type: Vendor blocker with repository-owned traceability and validation workflow

1) Problem framing and boundaries​

Repository-owned outcomes​

  • Maintain clear cross-wiring between BR-039, task T57, and kanban artifacts.
  • Keep a durable evidence log for retests against specific vendor versions.
  • Define a repeatable re-verification protocol so status changes are evidence-based.
  • Provide maintainer fallback guidance while blocker persists.

Vendor-owned outcomes (out of scope for this repository)​

  • Fixing whitelist persistence/security prompt behavior in Cascade/Windsurf product code.
  • Shipping security model changes in the upstream tool.

2) Executable specification​

2.1 Traceability requirements​

  1. BR-039 must list implementing task E6:S06:T57.
  2. T57 must link BR-039 and this IPW artifact.
  3. T57 acceptance criteria and BR language must remain "attempted/verified" safe:
    • No "fixed/resolved/completed" claims until validated against current vendor build.
  4. Evidence entries must be append-only records (newest entries added, no destructive overwrite).

2.2 Evidence entry schema​

Each retest entry must include:

  • date_utc (ISO-like timestamp or date+time UTC)
  • tool_version (Cascade/Windsurf build or version string if available)
  • scenario (what command/workflow was executed)
  • expected (from BR-039 expected behavior)
  • observed (actual behavior)
  • result (pass, fail, or blocked)
  • notes (workaround, escalation link, or follow-up owner)

2.3 Re-verification protocol​

  1. Trigger retest when vendor announces relevant fix or when maintainer revisits blocker.
  2. Re-run BR-039 reproduction steps.
  3. Run a workflow-impact check using terminal-heavy sequence (RW or equivalent scripted flow).
  4. Record evidence using schema above.
  5. Update statuses:
    • If still failing: keep BR/T57 in TODO or IN PROGRESS with vendor-blocked note.
    • If passing on current build: mark as attempted fix verified and queue RW closure update.

3) Test and verification design​

3.1 Manual scenarios​

  • Scenario A (whitelist persistence): approve+whitelist command, rerun same command, verify prompt recurrence behavior.
  • Scenario B (session continuity): run 10+ routine commands in same session; measure prompt interruptions.
  • Scenario C (workflow continuity): run a release-like command sequence and observe whether prompts break flow.

3.2 Pass/fail rules​

  • Pass: prompts are suppressed for whitelisted commands and workflow continuity is maintained.
  • Fail: repeated prompts continue for previously whitelisted commands.
  • Blocked: missing capability/version info prevents reliable validation; record exact blocker.

3.3 Language guardrail (changelog/docs)​

  • Use: "attempted fix", "change implemented", "verified".
  • Do not use: "fixed", "resolved", "completed" without validation evidence.

4) Implementation sequencing plan​

  1. Update host task T57 with planning artifact links and explicit execution checklist.
  2. Update BR-039 with re-verification protocol and evidence logging section structure.
  3. Keep board/task status consistent (no closure claim without verification evidence).
  4. On vendor update:
    • execute retest protocol,
    • append evidence,
    • update T57/BR statuses,
    • release via RW for forensic version anchor.

5) Done definition (repo-side)​

T57 can be considered done on the repository side when all are true:

  1. Traceability and bidirectional links are in place and current.
  2. At least one recent evidence entry exists with explicit pass/fail/blocked outcome.
  3. Re-verification protocol is documented and actionable for maintainers.
  4. Any status claim aligns with evidence (attempted vs verified).

If vendor fix is not yet available, done state may remain "documented and monitored" rather than "fully resolved".

6) Execution-ready checklist (for next implementation cycle)​

  • Confirm current vendor version/build under test.
  • Run BR-039 repro sequence and whitelist persistence check.
  • Run terminal-heavy continuity sequence and collect observations.
  • Append evidence entry in T57 and/or BR-039 with date/version/result.
  • Decide status outcome (fail / blocked / verified) with rationale.
  • If verified, prepare RW update for closure language and version anchor.