fix: scope the builder Pre-Execution Protocol to task shape

[anandgupta42]

Issue for this PR

Closes #1214

Type of change

• Bug fix
• New feature
• Refactor / code improvement
• Documentation

What does this PR do?

Reworked onto #1217 (2026-09-02). #1217 merged to main and deleted the monolithic builder.txt this PR originally edited, splitting it into builder/core.txt + builder/packs/*.txt fragments assembled by altimate/prompts/profiles.ts. The Pre-Execution Protocol is now the sql-guard pack, and it ships statically inside the default byte-pinned PROMPT_BUILDER. This PR was rebased onto that architecture and its mechanism re-expressed as conditional pack exclusion instead of conditional text injection — the intent, the classifier, and the safety property (unknown keeps the protocol) are unchanged; only the "how" moved. See "The scoping mechanism" and "How did you verify" below for the reworked details, and the description of the original evidence/ablation immediately below is unchanged.

## Pre-Execution Protocol sat statically in packages/opencode/src/altimate/prompts/builder.txt (now builder/packs/sql-guard.txt), making sql_analyze + altimate_core_validate mandatory before every sql_execute. builder is a PRIMARY agent, so that one section governed every builder surface at once — dbt authoring, interactive chat, and headless question-answering runs.

The evidence. An internal pre-registered paired prompt ablation, 540 trials on a public data-question benchmark, one binary across both arms, every trial's resolved system prompt verified by sha256 against a pre-registered artifact:

	macro Pass@1	micro Pass@1
control	0.6667	0.6778
treatment (protocol removed, among other changes)	0.6807	0.7148
delta	+0.0140	+0.0370

• query-blocked sign-flip permutation, 20,000 resamples: p = 0.7358
• cluster-bootstrap 95% CI: [-0.0400, +0.0674]
• per-query direction: treatment better 16, control better 11, tied 27 (exact sign test p = 0.4421)

The honest claim is "no score effect, materially cheaper." The +0.0140 is not distinguishable from zero and is not presented here as an improvement — the interval comfortably contains zero in both directions.

What did move:

	control	treatment	delta
wall clock per trial (restricted mean)	440.9s	319.4s	-121.5s (-27.6%)
model generations per trial	11.9	8.6	-27.7%
generation seconds per trial	187.6	127.2	-32.2%
altimate_core_validate calls (arm total)	1,476	0	-1,476
sql_analyze calls (arm total)	1,329	0	-1,329
sql_execute calls (arm total)	1,716	2,554	+838 (+49%)
trials hitting the 900s timeout	27	16	-11

The 2,805 ritual tool calls going to zero — not reduced, zero — is the one number directly attributable to this text. The ritual is prompt-ordered: remove the order and it stops completely. The freed budget went into the benchmark's actual work (sql_execute +49%).

Why this scopes rather than deletes, both taken from the experiment's own caveats:

1. The latency win is not attributable to this section alone. That treatment arm bundled five coupled changes across two arms; the experiment declined to attribute and no factorial was run.
2. The measurement covers data questions only. dbt authoring and interactive chat are unmeasured builder surfaces where a pre-execution discipline may genuinely earn its place.

The scoping mechanism (reworked onto #1217's pack architecture)

agent.ts registers builder with prompt: PromptProfiles.PROMPT_BUILDER — a plain string, assembled ONCE at module load from core.txt + all packs including sql-guard, and byte-pinned by test/altimate/prompt-profiles.test.ts. That default registration is never touched by this PR — no change to agent.ts, profiles.ts's existing exports, or the pin.

The mechanism this PR adds: profiles.ts gets one additive export, PROMPT_BUILDER_SCOPED — the same profile, same fragment order, with only the sql-guard pack filtered out. session/pre-execution.ts's gate (SessionPreExecution.scopedBuilderPrompt, formerly preExecutionInstruction) now returns that override string, or undefined to mean "use the agent's default prompt, unchanged." session/prompt.ts — at the point in the per-step loop where a fully-resolved Agent.Info is already in scope, right before the model call — clones it with .prompt swapped only when the gate returns an override, and passes that clone into processor.process (which is what actually reaches LLM.stream). The registered agent object is never mutated.

This follows the precedent already in the tree in spirit — SessionTermination.completionInstruction also scopes a run-mode-only instruction to builder — but the action is now exclude a pack from an already-assembled prompt rather than inject additive text into the turn's system array, because #1217 baked the protocol into the static default and there is no longer a builder.txt to edit or an absence to inject text into.

Design fork considered and rejected: making Agent.Info.prompt a function (computed per-session) instead of a plain string, or excluding the pack at agent.ts registration time. Rejected because agent.prompt is read as a plain string directly downstream in llm.ts, llm/request.ts, and compaction.ts, and agent.ts registration happens once at config load with no access to a session's cwd/worktree — either option would touch the agent registration shape and multiple downstream consumers for no behavioral gain over cloning the already-resolved agent at the one call site that needs the override.

How the condition is decided. The protocol is dropped only when all three hold:

1. run mode (Flag.ALTIMATE_RUN_MODE — the run CLI, CI, headless), and
2. the agent is builder (the only profile that ever carried the sql-guard pack — analyst.txt and reviewer.txt never did), and
3. the workspace is confidently classified as having no dbt project.

That is exactly the cell the ablation measured — unchanged from before the rework. Every other case returns undefined (default prompt, protocol included), so a kept case resolves to the exact same prompt as the default builder profile.

Where it looks. A dbt_project.yml (or .yaml) file at the candidate directory (realpathed first, so a symlinked cwd is followed), at any ancestor up to the filesystem root, or one level below — the last matching findDbtProjectRoot's existing rule and skip list, which is how benchmark and monorepo layouts nest a project. The ancestor walk matters because a session is routinely started inside models/, and on a non-git project the worktree candidate is the same directory, so nothing else would find the project. The walk is unbounded on purpose: a depth limit would have to report "I stopped early" as unknown to stay honest, which on any deep tree turns the gate off entirely, and two stat calls per level in run mode is not worth that.

The ambiguous case keeps the protocol. Classification returns a tri-state — dbt / non-dbt / unknown — and only non-dbt drops. non-dbt requires at least one candidate the scan examined completely: symlinks resolved, every ancestor probe answered up to the root, and its own children enumerated and probed. ENOENT/ENOTDIR are real answers ("nothing there"); every other failure — EACCES, EIO, a flaky mount — is unknown. The filesystem root never qualifies on its own, because its children are deliberately not scanned. An unrelated ancestor project is a false positive that keeps the protocol, which is the safe direction. The asymmetry throughout is deliberate: the cost of wrongly keeping it is 27% latency on one workload, the cost of wrongly dropping it is unmeasured.

One complete answer is enough — an incomplete partner candidate does not veto it. That matters: worktree is the filesystem root on a non-git project, so a veto rule returned unknown for every headless run in exactly the configuration the ablation measured, and the gate would have shipped as a no-op.

Interactive chat is deliberately left alone. Run mode is not itself a task-shape signal — it is the surface the evidence covers, and widening the gate to interactive sessions needs its own measurement.

Not touched

main also carries ## Finish Protocol (shipped in #1171), a second mandatory ritual in the same family that was added after the binary the ablation measured was built. The shipping prompt is therefore heavier than what was measured, and the -27.6% understates the current cost. No measurement covers that section, so this PR leaves it alone; a test asserts it survives.

How did you verify your code works?

Carried over unchanged by the rework (the classifier itself was not touched):

• Unit suite packages/opencode/test/session/pre-execution.test.ts's workspace classification describe (14 tests): each classification outcome against real temp directories (project at the candidate, one level down, above it, .yaml as well as .yml, no project, a missing directory, a directory that stats but cannot be enumerated, no candidates, the filesystem root, dbt_project.yml as a directory rather than a file, the unbounded ancestor walk, a symlinked candidate, a symlinked child project, and a complete candidate not vetoed by an unreadable partner or by the filesystem root) — untouched by the rework, still 14/14 green.
• Reviewed by a second model across two rounds pre-rework. Round one found three bugs — two silent-drop paths in the classifier and an injection-order issue. Round two found four more, including a veto rule that would have made the gate a no-op on every non-git workspace, a depth limit whose exhaustion was recorded as a complete answer, a lexical (symlink-blind) ancestor walk, and a child scan that silently skipped symlinked directories. All seven fixed, each with a test that survived the rebase.

Rework-specific verification (2026-09-02):

• Rewrote the pre-execution protocol gate and prompt text fidelity describes in pre-execution.test.ts (they asserted the old text-injection mechanism, including one test that grepped the now-deleted builder.txt) to assert the new override/exclusion behavior: each gate arm now checks the returned override is === PromptProfiles.PROMPT_BUILDER_SCOPED and !== PROMPT_BUILDER (not just "truthy"/"a string containing X"), and every non-firing arm asserts undefined — a test that fails if the gate silently no-ops. Added PROMPT_BUILDER_SCOPED omits sql-guard and nothing else, verifying the override is BUILDER_PROFILE minus exactly the sql-guard fragment and that neighbouring packs (## dbt Verification Workflow, ## Finish Protocol) survive. 24/24 green.
• Fixed the one sql-validation-e2e.test.ts test that called the renamed preExecutionInstruction; whole file green (56/56).
• Byte-identity gate (test/altimate/prompt-profiles.test.ts, refactor: split builder prompt into invariant core + named packs (byte-identical assembly) + opt-in data-qa profile #1217's guarantee that the default builder profile is unchanged): green — PROMPT_BUILDER still hashes to the pinned sha256 (17663410dd9accc527b4cbd84558fc577ccc36d33d0428c5c5205d5df25400d7, 14,773 bytes). This PR's only edit to profiles.ts is one additive export block; BUILDER_PROFILE, FRAGMENTS, assemble, PROMPT_BUILDER, DATA_QA_PROFILE, and PROMPT_DATA_QA are byte-for-byte untouched.
• bun install then bun run typecheck — clean on every touched file.
• bun run script/upstream/analyze.ts --markers --base origin/main --strict — ok: 1 upstream-shared file checked (session/prompt.ts), all custom code properly marked.
• bun test test/session/pre-execution.test.ts test/altimate/prompt-profiles.test.ts test/altimate/sql-validation-e2e.test.ts test/agent/ — 141 pass, 0 fail.
• test/session/prompt.test.ts's loop calls LLM and returns assistant message / loop surfaces content-filter finishes as session errors time out locally — reproduced identically by stashing this rework's changes and re-running on the pre-rework branch tip, so this is pre-existing local flakiness (not something the rework introduced or should be scoped as fixing).

Not verified: this change has not been run end to end against a live warehouse, and no benchmark re-run was performed on this build. The behavioural claim rests on the ablation cited above, which measured a pre-#1171 binary; the gate reproduces that binary's treatment only for the cell it measured. The rework changes HOW the exclusion is expressed, not the classifier or the decision boundary, so no new ablation is claimed or needed for the rework itself.

Screenshots / recordings

Not a UI change.

Checklist

• I have tested my changes locally
• I have not included unrelated changes in this PR

Note: the auto-generated bot summaries below (Cursor Bugbot, CodeRabbit) describe the pre-rework, text-injection mechanism against the pinned commit noted inline — they predate the 2026-09-02 rework onto #1217's pack architecture described above and have not been regenerated.

---

Note

Medium Risk
Changes when the builder must run sql_analyze/altimate_core_validate before sql_execute in CI/run mode; misclassification could drop guards on dbt work, though unknown and dbt paths intentionally keep the protocol.

Overview
Headless builder runs in workspaces with no dbt project can now skip the mandatory Pre-Execution Protocol (sql-guard pack) without changing the default registered builder prompt.

Adds PROMPT_BUILDER_SCOPED in profiles.ts (same builder fragments minus sql-guard) and a new session/pre-execution.ts module that classifies cwd/worktree as dbt, non-dbt, or unknown via ancestor walks, bounded downward search, and symlink-aware probes. scopedBuilderPrompt returns that scoped prompt only when run mode, registry key builder, prompt is still byte-identical PROMPT_BUILDER, and classification is confidently non-dbt; every other case keeps the stock prompt.

session/prompt.ts memoizes the gate once per loop() invocation and passes a cloned effectiveAgent into processor.process when an override applies. Tests cover classification edge cases, gate arms, cache behavior, and e2e prompt expectations.

^{Reviewed by Cursor Bugbot for commit 8e93080. Bugbot is set up for automated code reviews on this repo. Configure here.}

Summary by CodeRabbit

• New Features

  • Added workspace-aware prompt behavior for builder sessions.
  • Run-mode builder sessions in confirmed non-dbt workspaces now receive a streamlined prompt without SQL guard instructions.
  • dbt workspaces, interactive sessions, uncertain workspace classifications, and other agents retain their standard prompts.

• Tests

  • Added coverage for workspace detection across nested, ancestor, YAML, symlinked, missing, and unreadable project layouts.
  • Added validation for prompt selection across supported session types and workspace conditions.

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[chatgpt-codex-connector]

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-03T01:56:54.261673Z	8e93080	New commits

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[github-actions]

- - - - - - - - - - - - - - - - - - - - - - - - -
                    AIRECEIPTS                    
             1 session behind this PR             

claude-sonnet-5.........................≥ $17.5633
  session slice: turns 1–219 of 220
--------------------------------------------------
TOTAL priced............................≥ $17.5633
  standard API-equivalent floor; not an invoice
  counted: 1 session
  cache served 98% of input tokens
  full receipts + session ids: section below
- - - - - - - - - - - - - - - - - - - - - - - - -
                npx aireceipts-cli                
         github.com/anandgupta42/receipts         
- - - - - - - - - - - - - - - - - - - - - - - - -

full receipts (1 session)

session	id	scope	turns	time	tokens in / out	cached
builder	aaa476ef	turns 1–219 of 220	219	1h 14m	438 / 3.5k	98%

builder · aaa476ef

- - - - - - - - - - - - - - - - - - - - - - - - -
                    AIRECEIPTS                    
 “Rework PR #1215 (AltimateAI/altimate-code, br…” 
   Claude Code · Sep 03 2026 00:36 UTC · 1h 14m   
               claude-sonnet-5 100%               
         cache served 98% of input tokens         

pre-edit: 12% of priced floor (51/219 turns)
  (share before the first named edit tool)

Bash.......................≥ $11.6235  (156 calls)
Edit.........................≥ $1.6633  (21 calls)
Read.........................≥ $1.4133  (16 calls)
(thinking/reply).............≥ $1.1608  (15 turns)
TaskStop......................≥ $0.9476  (2 calls)
Monitor.......................≥ $0.3251  (4 calls)
Write.........................≥ $0.2774  (3 calls)
ToolSearch....................≥ $0.1520  (2 calls)

⚠ Bash loop ×4.....................≥ $1.0467 (31s)
  at turns 132-136
≈ re-priced eligible trivial spans.......≈ $0.3869
  (15 tiny turns, priced at claude-haiku-4-5)
--------------------------------------------------
TOTAL...................................≥ $17.5630
standard API-equivalent floor; not an invoice
same tokens on claude-haiku-4-5..........≥ $5.8544
  (67% lower observable floor)
  (arithmetic, not a prediction)
- - - - - - - - - - - - - - - - - - - - - - - - -
                npx aireceipts-cli                
         github.com/anandgupta42/receipts         
- - - - - - - - - - - - - - - - - - - - - - - - -

handoff — flagged pattern cost ≈ $1.0467

FLAGGED PATTERN COST.....................≈ $1.0467
  heuristic pattern subtotal · not proven savings

⚠ Bash loop ×4.....................≥ $1.0467 (31s)
  at turns 132-136
  → change or stop after two identical failures
≈ re-priced eligible trivial spans.......≈ $0.3869
  (15 tiny turns, priced at claude-haiku-4-5)
  → route short replies to a cheaper model

covers: 1 session · 219 turns · 2 flagged-pattern lines

Generated by aireceipts

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---

📝 Walkthrough

Walkthrough

The change adds filesystem-based workspace classification and a run-mode builder prompt gate. It removes sql-guard only from the scoped prompt profile. Session prompt assembly applies the override without mutating the registered agent. Tests cover classification, gating, composition, and wiring.

Changes

Pre-execution protocol scoping

Layer / File(s)	Summary
Scoped builder prompt profile packages/opencode/src/altimate/prompts/profiles.ts	Adds a builder profile that excludes only sql-guard and exports its assembled prompt.
Protocol extraction and workspace gate packages/opencode/src/session/pre-execution.ts	Adds dbt, non-dbt, and unknown workspace classification. The scoped prompt is returned only for run-mode builder sessions with a confirmed non-dbt workspace.
Session prompt integration packages/opencode/src/session/prompt.ts	Applies the scoped prompt to a copied agent before processor execution.
Protocol and gate validation packages/opencode/test/session/pre-execution.test.ts, packages/opencode/test/altimate/sql-validation-e2e.test.ts	Tests discovery, error handling, gating, prompt composition, interactive behavior, and prompt wiring.

Estimated code review effort: 4 (Complex) | ~45 minutes

Sequence Diagram(s)

sequenceDiagram
  participant SessionPrompt
  participant SessionPreExecution
  participant Filesystem
  participant Processor
  SessionPrompt->>SessionPreExecution: Check run mode, agent, and workspace directories
  SessionPreExecution->>Filesystem: Scan project files and eligible directories
  Filesystem-->>SessionPreExecution: Return workspace classification
  SessionPreExecution-->>SessionPrompt: Return scoped prompt or undefined
  SessionPrompt->>Processor: Process with effective agent

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🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 71.43% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 7 functions across 5 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: scoping the builder Pre-Execution Protocol to task shape.
Description check	✅ Passed	The description includes the required issue, change type, implementation details, verification steps, screenshots note, and checklist. It explains the scope, safety behavior, test results, and known v…
Linked Issues check	✅ Passed	The changes satisfy issue #1214 by excluding only the sql-guard pack for run-mode builder sessions in confidently classified non-dbt workspaces. The protocol remains for dbt, interactive, other-agent,…
Out of Scope Changes check	✅ Passed	The changed implementation, prompt profile, session wiring, and tests directly support issue #1214. No unrelated code changes are identified, and the Finish Protocol remains untouched as required.

Full details: Description check

Explanation

The description includes the required issue, change type, implementation details, verification steps, screenshots note, and checklist. It explains the scope, safety behavior, test results, and known verification limits.

Full details: Linked Issues check

Explanation

The changes satisfy issue #1214 by excluding only the sql-guard pack for run-mode builder sessions in confidently classified non-dbt workspaces. The protocol remains for dbt, interactive, other-agent, and unknown cases, and Finish Protocol remains unchanged.

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Reviewed commit: 4003113ea2

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[chatgpt-codex-connector]

Gate on question-answering intent, not just workspace layout

A non-dbt workspace does not imply a question-answering task: for example, run can start in an empty directory with a builder request to modify production tables or author a standalone SQL pipeline. This branch removes the analyze-and-validate protocol for every such headless builder run even though the cited measurement covered only question answering, so unmeasured and potentially destructive SQL workflows lose the safety checks; the dropping condition needs an actual task-intent signal rather than treating non-dbt as equivalent to the benchmark workload.

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[anandgupta42]

Agreed this is a real question about the PR's claim, not a bug -- escalating to the PR author rather than unilaterally re-architecting the gate. The ablation measured protocol-drop safety on data-QA TASKS (intent); this gate drops on non-dbt WORKSPACES (layout), which is broader -- a non-dbt workspace can still be doing write-work (standalone SQL pipeline authoring, production table modification) that should keep the protocol. Options being put to the human: (a) narrow the drop condition to run-mode + non-dbt-workspace + an actual intent signal (would need a cheap, reliable signal -- open question what that is), or (b) keep workspace-as-proxy-for-intent but state the risk explicitly in the PR description and treat it as a known limitation pending its own measurement. Leaving this thread open pending that decision.

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Inline comments:
In `@packages/opencode/src/session/pre-execution.ts`:
- Line 94: Update the workspace scan in findDbtProjectRoot so directory
enumeration failures remain observable as unknown rather than being converted to
null/non-dbt. Do not rely only on Filesystem.isDir; handle or probe the
directory-read operation and propagate scan failure so inaccessible dbt
workspaces are not treated as non-dbt.

In `@packages/opencode/test/session/pre-execution.test.ts`:
- Around line 7-9: Update the tmpdir test fixture and its callers so every
pre-exec-scope-* directory created by tmpdir is removed after use, including
success, failure, and cancellation paths. Prefer wrapping each test’s
temporary-directory usage in try/finally with fs.rm, or return a disposable
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• packages/opencode/src/altimate/prompts/builder.txt
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[kilo-code-bot]

Code Review Summary

Status: 1 Issue Found | Recommendation: Address before merge

Overview

Severity	Count
CRITICAL	0
WARNING	1
SUGGESTION	0

Issue Details (click to expand)

WARNING

File	Line	Issue
packages/opencode/src/session/pre-execution.ts	136	A symlinked file (or other non-directory, non-regular-file entry) in the workspace makes scanDownward return unknown, silently disabling the gate for that workspace

Files Reviewed (5 files)

• packages/opencode/src/altimate/prompts/profiles.ts
• packages/opencode/src/session/pre-execution.ts - 1 issue
• packages/opencode/src/session/prompt.ts
• packages/opencode/test/altimate/sql-validation-e2e.test.ts
• packages/opencode/test/session/pre-execution.test.ts

Fix these issues in Kilo Cloud

Previous Review Summaries (4 snapshots, latest commit 701de90)

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

Previous review (commit 701de90)

Status: 1 Issue Found | Recommendation: Address before merge

Overview

Severity	Count
CRITICAL	0
WARNING	1
SUGGESTION	0

Issue Details (click to expand)

WARNING

File	Line	Issue
packages/opencode/src/session/prompt.ts	1493	The scoped override replaces agent.prompt with the built-in PROMPT_BUILDER_SCOPED, silently discarding a user-customized builder prompt

Files Reviewed (5 files)

• packages/opencode/src/altimate/prompts/profiles.ts
• packages/opencode/src/session/pre-execution.ts
• packages/opencode/src/session/prompt.ts - 1 issue
• packages/opencode/test/altimate/sql-validation-e2e.test.ts
• packages/opencode/test/session/pre-execution.test.ts

Fix these issues in Kilo Cloud

Previous review (commit aefe4d0)

Status: No Issues Found | Recommendation: Merge

Files Reviewed (2 files)

• packages/opencode/src/session/pre-execution.ts
• packages/opencode/test/session/pre-execution.test.ts

Previous review (commit 00ec0b4)

Status: 1 Issue Found | Recommendation: Address before merge

Overview

Severity	Count
CRITICAL	0
WARNING	1
SUGGESTION	0

Issue Details (click to expand)

WARNING

File	Line	Issue
packages/opencode/src/session/pre-execution.ts	182	A filesystem-root candidate (/, which non-git projects set as worktree) marks the scan incomplete and forces unknown, so headless non-dbt runs in non-git workspaces never drop the protocol

Files Reviewed (3 files)

• packages/opencode/src/session/pre-execution.ts - 1 issue
• packages/opencode/src/session/prompt.ts - 0 issues
• packages/opencode/test/session/pre-execution.test.ts - 0 issues

Fix these issues in Kilo Cloud

Previous review (commit 4003113)

Status: 3 Issues Found | Recommendation: Address before merge

Overview

Severity	Count
CRITICAL	0
WARNING	1
SUGGESTION	2

Issue Details (click to expand)

WARNING

File	Line	Issue
packages/opencode/src/session/pre-execution.ts	94	Filesystem.isDir is a stat-based existence check, not a readability check — a directory that exists but can't be listed is classified non-dbt and the protocol is dropped, contradicting the "unknown on unreadable" invariant

SUGGESTION

File	Line	Issue
packages/opencode/src/session/pre-execution.ts	97	dbt projects nested >1 level below a candidate are classified non-dbt, weakening the "confidently no dbt project" claim
packages/opencode/src/session/prompt.ts	1480	dbt classification re-runs on every loop() step; deterministic result could be memoized

Files Reviewed (5 files)

• packages/opencode/src/altimate/prompts/builder.txt - 0 issues
• packages/opencode/src/session/pre-execution.ts - 2 issues
• packages/opencode/src/session/prompt.ts - 1 issue
• packages/opencode/test/altimate/sql-validation-e2e.test.ts - 0 issues
• packages/opencode/test/session/pre-execution.test.ts - 0 issues

Fix these issues in Kilo Cloud

---

_{Reviewed by deepseek-v4-pro · Input: 91.8K · Output: 26.3K · Cached: 1.6M}

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

[cubic-dev-ai]

1 issue found across 5 files

Prompt for AI agents (unresolved issues)

Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.


<file name="packages/opencode/src/session/pre-execution.ts">

<violation number="1" location="packages/opencode/src/session/pre-execution.ts:137">
P1: Gate protocol removal on task intent, not `non-dbt` alone; this return drops the analyze/validate sequence for every headless builder request in a non-dbt workspace.</violation>
</file>

<sub>Reply with feedback, questions, or to request a fix.

Re-trigger cubic</sub>

[cubic-dev-ai]

P1: Gate protocol removal on task intent, not non-dbt alone; this return drops the analyze/validate sequence for every headless builder request in a non-dbt workspace.

Prompt for AI agents

Check if this issue is valid — if so, understand the root cause and fix it. At packages/opencode/src/session/pre-execution.ts, line 137:

<comment>Gate protocol removal on task intent, not `non-dbt` alone; this return drops the analyze/validate sequence for every headless builder request in a non-dbt workspace.</comment>

<file context>
@@ -0,0 +1,140 @@
+  const shape = await classifyWorkspace(input.directories)
+  if (shape !== "non-dbt") return PRE_EXECUTION_PROTOCOL
+  log.info("pre-execution protocol scoped out", { agent: input.agent, shape })
+  return undefined
+}
+
</file context>

[anandgupta42]

Same finding as the codex P1 thread on this line -- escalating to the PR author rather than unilaterally re-architecting the gate. See that thread's reply for the two options being put to the human (narrow to an intent signal vs. accept workspace-as-proxy with the risk stated explicitly). Leaving open pending that decision.

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[chatgpt-codex-connector]

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Reviewed commit: 00ec0b497b

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[cubic-dev-ai]

All reported issues were addressed across 3 files (changes from recent commits).

<sub>Requires human review: Auto-approval blocked because this review re-detected 2 unresolved issues already reported by Cubic.

Re-trigger cubic</sub>

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Actionable comments posted: 1

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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
In `@packages/opencode/test/session/pre-execution.test.ts`:
- Line 116: Update the symlink fixture around fs.symlink to select "junction" on
Windows and "dir" on other platforms, preserving the existing absolute-directory
targets.

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Remove the remaining mandatory validation directives

When this returns undefined for a headless non-dbt question, the builder still receives builder.txt:42-44, which says to always run sql_analyze when writing SQL and to run altimate_core_validate before warehouse execution. Those are the same two ritual calls this gate is intended to eliminate, so the stock prompt continues ordering them even though the named protocol section is absent and the claimed latency/tool-call reduction may not materialize; scope or rewrite these duplicate directives alongside the protocol.

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[anandgupta42]

Confirmed still true, but out of scope for this PR. Verified: builder/packs/dbt-ops.txt (included in BOTH the default and the scoped profile) still says "Always run sql_analyze to check for anti-patterns before finalizing queries" and "Validate SQL with altimate_core_validate before executing against a warehouse", and self-review.txt has a similar line. These directives predate this PR and predate the #1217 pack split -- they lived in a different section of the monolithic builder.txt before either change, independent of the named "Pre-Execution Protocol" section this PR scopes. #1215 was scoped, by its own stated boundary, to the Pre-Execution Protocol section only ("## Finish Protocol and everything else stays untouched"). Fully addressing this would mean auditing and re-scoping dbt-ops.txt/self-review.txt/analyst.txt's own directives, which is unmeasured by the cited ablation and materially larger than this PR's stated change. Leaving open as a real, separately-actionable finding rather than resolving it as fixed or as not-applicable.

[cubic-dev-ai]

All reported issues were addressed across 2 files (changes from recent commits).

<sub>Requires human review: Auto-approval blocked because this review re-detected 1 unresolved issue already reported by Cubic.
Tip: Review your code locally with the cubic CLI to iterate faster.

Re-trigger cubic</sub>

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Re-evaluate the gate after workspace-changing tools

A single loop() invocation includes the model's tool-call continuations, so the workspace is not invariant here: a headless builder can begin in an empty directory, run dbt init or write dbt_project.yml, and then continue generating within the same loop. Because the first non-dbt override is cached, every later step still omits sql-guard even though the task has become dbt work; invalidate or recompute the classification after filesystem-changing tools rather than retaining it for the whole loop.

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[chatgpt-codex-connector]

Key the cached override by the active agent

This memoizer returns the first result without considering subsequent inputs, but prompts submitted while a session is busy are appended to the same active loop and lastUser/agent are resolved again on each iteration. If a scoped builder run receives a queued prompt selecting analyst or reviewer, the cached builder prompt is applied to that different agent; conversely, an initial non-builder result permanently prevents scoping a queued builder prompt. Cache only the workspace classification or key the result by the agent and current prompt.

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[chatgpt-codex-connector]

Inspect hidden directories before declaring non-dbt

When a valid project is nested below a hidden directory, such as repo/.analytics/dbt_project.yml, this filter silently excludes the entire subtree and the otherwise readable repository is returned as non-dbt, removing the protocol from real dbt work. Skip known metadata directories such as .git explicitly, but do not treat every dot-prefixed directory as conclusively project-free.

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[chatgpt-codex-connector]

Avoid enqueueing symlinks to regular files

In a non-dbt workspace containing a symlink to a regular file, the symlink passes the !e.isFile() filter, hasProjectFile correctly gets ENOTDIR, but this unconditional push makes the next BFS level call readdir on that file and return unknown. Thus an ordinary README or config symlink disables the intended prompt scoping for the entire run; resolve the entry and enqueue it only when its target is a directory.

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[chatgpt-codex-connector]

Do not let a completed cwd mask an incomplete worktree

A complete candidate does not necessarily answer what exists below the other candidate: for example, with the cwd at /repo/docs and a dbt project at /repo/platform/data/team/project/dbt_project.yml, scanning the cwd completes while the /repo worktree scan reaches its depth bound and returns unknown. This final aggregation nevertheless returns non-dbt, because the cwd's ancestor walk checks only /repo itself and never the sibling subtree containing the project, so the protocol is removed from actual dbt work. Ignore only known-redundant candidates such as the filesystem-root sentinel; an incomplete real worktree must prevent a confident negative.

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[chatgpt-codex-connector]

Normalize the legacy build alias before gating

Persisted sessions can still carry lastUser.agent === "build", and the current Agent.get explicitly aliases that value to the native builder agent, so input.prompt is the stock builder prompt while this literal-name check rejects it. Headless non-dbt runs resumed from those sessions therefore retain the expensive protocol indefinitely even though they execute as builder; canonicalize the supported build alias before applying the gate.

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[kilo-code-bot]

WARNING: A symlinked file (or any non-directory, non-regular-file entry) directly in the workspace makes scanDownward return unknown, silently disabling the gate

The child filter includes every entry that is not plainly a regular file — deliberately, so symlinked directories aren't skipped — but it also admits symlinks-to-files, broken symlinks, FIFOs, and sockets. Those entries pass hasProjectFile (a stat on childPath + "/dbt_project.yml" yields ENOTDIR/ENOENT, which meansAbsent treats as "nothing there") and are then pushed into next (line 144). At the next level, fs.readdir on such an entry throws ENOTDIR (symlink to a file) or ENOENT (broken symlink), which the catch block (line 128) turns into return "unknown" — not "skip and continue".

unknown keeps the protocol, so this is fail-safe, but a workspace containing a symlinked file (e.g. a symlinked .env, config file, or editor dotfile in the candidate directory) is never classified non-dbt, and the PR's headline optimization silently no-ops for it — contradicting the comment at lines 130-134, which says hasProjectFile on a non-directory "just gets ENOTDIR, which is a real 'nothing there'." The same entry's readdir ENOTDIR is instead treated as "could not tell".

Recommended: when a frontier entry's readdir fails with meansAbsent (ENOENT/ENOTDIR), skip it and continue with siblings instead of returning unknown — the initial start directory is realpathed and always a directory, so a genuine unreadable-directory failure there still surfaces as EACCES → unknown. Alternatively, stat each child before pushing so only directories and symlinks-to-directories enter the frontier. This case is currently untested (the symlink tests cover symlinked directories only).

---

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[anandgupta42]

Closing this PR — the safe version of what it was reaching for already shipped in #1217, and the mechanism this PR added is the part reviewers flagged as over-broad.

Reasoning:

This PR auto-dropped the Pre-Execution Protocol for any headless builder run in a non-dbt workspace. The intent-vs-layout review (codex + cubic, both P1) correctly flagged that "non-dbt workspace" is not equivalent to "read-only data question": a builder run in an empty/non-dbt directory can be modifying production tables or authoring a standalone SQL pipeline — destructive write work that would lose its analyze/validate safety checks. Experiment P only measured read-only data-Q&A tasks, so auto-dropping on workspace layout generalizes the result beyond the evidence, exactly into the unmeasured and potentially destructive case.

Rather than patch the classifier with a task-intent signal (hard to detect reliably before execution), the decision is to not auto-drop the protocol for builder at all. The safe, explicit path already exists:

• builder (default) → always keeps the Pre-Execution Protocol. ✓
• data-qa profile (refactor: split builder prompt into invariant core + named packs (byte-identical assembly) + opt-in data-qa profile #1217, opt-in via ALTIMATE_DATA_QA_PROFILE=1 / --agent data-qa) → already omits the protocol statically, by profile composition (DATA_QA_PROFILE excludes the sql-guard pack; asserted by a test). ✓

So "run without the protocol on data questions" ships the safe way — the user explicitly selects the data-qa profile — and no run silently loses its SQL safety checks based on folder shape. With the auto-scoping removed, this PR has nothing left to add on top of #1217.

The intent-vs-layout P1 is resolved by removing the mechanism it objected to. Closing.