Automated PR code review pipeline using chunked processing, context-aware analysis, and provider-selectable models (Gemini / Copilot / OpenAI / Anthropic / OpenCode Go / OpenRouter via OPENCODE_REVIEW_REPORT_PROVIDER) through the opencode CLI transport. Use when modifying the `pipeline-code-review-report` workflow, debugging review failures, adding/changing LADRs or Key Behaviors, or understanding the review decision matrix, two-tier review chain, chunked architecture, or false-positive prevention rules. Do NOT use for unrelated CI workflows or for AI-coder workflow rules (see `.agents/rules/ai-workflow-rules.instructions.md` instead).
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SKILL.md
Quellanweisungen · Schreibgeschützte Vorschau
name
ai-review-report
switches
["`--local` - skill-level switch to run `scripts/local-review.sh` immediately against HEAD/current branch vs `main`; do not ask for PR/provider/post choices.","`workflow_dispatch` - run the GitHub review gate manually, including `model` and `model_preset` inputs.","`--pr NUMBER` - optional local review of a GitHub PR via `scripts/local-review.sh`; required only when using `--post`.","`--base BRANCH` - local diff base branch for `scripts/local-review.sh` (default: `main`).","`--model MODEL` - local primary review model; for non-GEMINI providers it must match the selected provider family.","`--provider PROVIDER` - local provider selector: `GEMINI`, `COPILOT`, `OPENAI`, `ANTHROPIC`, `OPENCODE-GO-OPENAI`, `OPENCODE-GO-ANTHROPIC`, or `OPEN_ROUTER`.","`--file-limit NUMBER` - local maximum post-filter file count; overrides `OPENCODE_REVIEW_REPORT_MAX_FILE_COUNT`.","`--exclude-deleted` / `--exclude-generated PATH` - local opt-in review-scope filters; generated paths may be repeated and excluded paths remain visible to the model as intentional exclusions.","`/ai-review --file-limit NUMBER --exclude-deleted --exclude-generated PATH` - trusted GitHub PR-comment trigger with one-run review-scope overrides; all switches must share the trigger line.","`--post` - post the local review result back to the PR; requires `--pr NUMBER`.","`--help` / `-h` - show local runner usage."]
description
Automated PR code review pipeline using chunked processing, context-aware analysis, and provider-selectable models (Gemini / Copilot / OpenAI / Anthropic / OpenCode Go / OpenRouter via OPENCODE_REVIEW_REPORT_PROVIDER) through the opencode CLI transport. Use when modifying the `pipeline-code-review-report` workflow, debugging review failures, adding/changing LADRs or Key Behaviors, or understanding the review decision matrix, two-tier review chain, chunked architecture, or false-positive prevention rules. Do NOT use for unrelated CI workflows or for AI-coder workflow rules (see `.agents/rules/ai-workflow-rules.instructions.md` instead).
OpenCode CLI Code Review
Automated PR code review using chunked processing, context-aware analysis, and provider-selectable models (Gemini / Copilot / OpenAI / Anthropic / OpenCode Go / OpenRouter, chosen by OPENCODE_REVIEW_REPORT_PROVIDER) served through the opencode CLI. Updated: 2026-07-04. Maintainer: Platform Engineering.
This file is the runtime contract — how to run a review, the configuration it reads, and the behaviour it must exhibit. Everything an AI coder needs to maintain the pipeline lives in the sibling AGENTS.md: all 54 LADRs in full, the editing-time Key Behaviors (script coupling, prompt-authoring rules, transport internals), env-var provenance, skill layout and the confirmed false-positive PR references. Load AGENTS.md before changing the workflow, the scripts or the prompts.
Required Environment Variables
opencode reads these from the process environment via the {env:…} placeholders in assets/opencode.json. The config holds the provider shape only — never the secret values.
Variable
Purpose
CI source
Local source
OPENCODE_REVIEW_REPORT_PROVIDER
Selects the active provider: GEMINI (default), COPILOT, OPENAI, ANTHROPIC, OPENCODE-GO-OPENAI, OPENCODE-GO-ANTHROPIC, or OPEN_ROUTER. lib/resolve-provider.sh maps it to the provider-id + gateway creds
Key for the anthropic provider — direct Anthropic API (@ai-sdk/anthropic). Serves claude-opus-4-8, claude-sonnet-4-6, claude-haiku-4-5. No URL var — base https://api.anthropic.com is hardcoded in opencode.json (fixed public endpoint, LADR-040)
key → Secret (only if used)
exported in shell
OPENCODE_GO_OPENAI_API_KEY
Key for the go-openai provider — OpenCode's OpenCode Zen gateway, OpenAI-compatible surface (@ai-sdk/openai-compatible). Serves grok-4.5, glm-5.2, glm-5.1, kimi-k3, kimi-k2.7-code, kimi-k2.6, deepseek-v4-pro, deepseek-v4-flash, mimo-v2.5, mimo-v2.5-pro, hy3. No URL var — base https://opencode.ai/zen/go/v1 is hardcoded in opencode.json (fixed public endpoint)
key → Secret (only if used)
exported in shell
OPENCODE_GO_ANTHROPIC_API_KEY
Key for the go-anthropic provider — same Zen gateway, Anthropic-compatible surface (@ai-sdk/anthropic). Serves minimax-m3, minimax-m2.7, minimax-m2.5, qwen3.8-max, qwen3.7-max, qwen3.7-plus, qwen3.6-plus. Same hardcoded base; same Zen key as the OpenAI surface works
key → Secret (only if used)
exported in shell
OPENCODE_OPENROUTER_API_KEY
Key for the openrouter provider — the OpenRouter aggregator (@openrouter/ai-sdk-provider). Serves vendor-prefixed slugs (deepseek/deepseek-v4-pro, qwen/qwen3.7-plus, z-ai/glm-5.1, minimax/minimax-m3, …; no Anthropic/OpenAI models). No URL var — base https://openrouter.ai/api/v1 is hardcoded in opencode.json (fixed public endpoint, LADR-039)
key → Secret (only if used)
exported in shell
OPENCODE_REVIEW_REPORT_MODEL_PRIMARY
Primary deep chunk-review model (LADR-002)
GitHub Variable, default gemini-3.1-pro-preview; workflow_dispatchmodel input overrides, and the model_preset dropdown overrides everything (provider + all three tiers)
--model arg
OPENCODE_REVIEW_REPORT_MODEL_SECONDARY
Second (and last) review model — fallback if primary fails
GitHub Variable, default gemini-2.5-pro
script default
OPENCODE_REVIEW_REPORT_MODEL_ORCHESTRATOR
Cheap model for semantic grouping + aggregation + summary (LADR-022); falls back to the resolved review model
GitHub Variable, default gemini-3-flash-preview
script default
OPENCODE_ANALYSE_*
Eight Variables owned by the sibling ai-analyse skill and consumed only by pipeline-ai-analyse.yml — provider/model selection, the incremental cap, the test-in-the-loop switch and the test-gate knobs. Full table in AGENTS.md; behaviour in ai-analyse/SKILL.md
GitHub Variables
n/a
OPENCODE_REVIEW_REPORT_HEALTH_TIMEOUT
Seconds lib/opencode-health.sh waits for opencode serve to come up + answer /global/health (default 30)
optional
optional
OPENCODE_REVIEW_REPORT_CHUNK_TIMEOUT
Floor for the per-chunk review budget, in seconds (default 450). Wraps the whole model chain, so a timeout means the LADR-002 secondary never ran and the chunk fail-closes. The effective budget scales with prompt size above 64 KB (+6 s/KB) up to the ceiling below — a fixed budget against a variable prompt fail-closed 4 of 6 honest chunks on PR #111 run 30792984316 (LADR-065). Invalid values fall back to 450 (lib/validate-chunk-timeout.sh owns the defaults, the scaling and the accepted form)
GitHub Variable, default 450
optional
OPENCODE_REVIEW_REPORT_CHUNK_TIMEOUT_MAX
Ceiling for the scaled per-chunk budget (default 1200). Preserves the deadlock-detector property the fixed budget used to provide — past this point a chunk is stuck rather than slow. A ceiling below the floor is ignored (the floor wins; fail-closing an honest chunk is the worse outcome)
GitHub Variable, default 1200
optional
OPENCODE_REVIEW_REPORT_ERROR_LOG_LINES
Tail lines of a failed chunk's stderr printed in the ::group:: diagnostic (default 40); the full log is preserved regardless
optional
optional
OPENCODE_REVIEW_REPORT_LOG_DIR
Where preserved chunk-stderr logs are copied (default ci_temp_logs, deliberately a sibling of ci_temp/ so the if: always() cleanup cannot delete them). Best-effort — an unwritable target is skipped silently
optional
optional
OPENCODE_REVIEW_REPORT_MAX_FILE_COUNT
Max changed-file count (post-exclusion) before the PR is blocked with a REQUEST_CHANGES "too many files" review instead of being reviewed (LADR-032); non-integer/≤0 falls back to 100
GitHub Variable or file_limit input, default 100
--file-limit / shell, default 100
OPENCODE_REVIEW_REPORT_EXCLUDE_DELETED
Opt-in removal of deleted paths from AI review scope. Names and reason still reach every chunk prompt so deletions are not reported as defects
GitHub Variable or exclude_deleted input, default 0
--exclude-deleted / shell, default 0
OPENCODE_REVIEW_REPORT_EXCLUDE_GENERATED_PATHS
Newline-separated generated file paths or directory prefixes to remove from AI review scope. Names and reason still reach every chunk prompt
GitHub Variable or exclude_generated_paths input, default empty
Repeatable --exclude-generated PATH / shell
OPENCODE_REVIEW_REPORT_DISABLE_AGENTS_MD_CHECK
Disables the full-review AGENTS.md / README.md / SKILL.md documentation validation gate when set to 1/true/yes (case-insensitive); unset or 0 preserves the default validation
When truthy (1/true/yes/on, case-insensitive), bypasses both the AGENTS.md validation checks and the mandatory context file loading (MANDATORY_CONTEXT_FILES are not injected, validate-agents-md.sh is skipped). Unset/empty/0/false preserves standard behaviour
Derived by lib/resolve-provider.sh — the opencode.json provider key the model is prefixed with (gemini / github-copilot / openai / anthropic / go-openai / go-anthropic / openrouter); consumed by lib/opencode-with-fallback.sh
Derived — the selected provider's creds copied to generic names for the credential presence check (health is checked separately + provider-agnostically via the opencode server, so there is no per-provider gateway health URL/auth)
resolver / Install Dependencies → $GITHUB_ENV
exported by local-review.sh
OPENCODE_REVIEW_REPORT_DISABLE_CLAUDE_CODE
GitHub Variable — overrides the disable flag for Claude Code support. If unset/empty, defaults to 1 (disabled). Set to 0 to re-enable .claude support
GitHub Variable (default 1)
shell export (default 1)
OPENCODE_DISABLE_CLAUDE_CODE
Derived from the above — keeps opencode's .claude support off so it cannot collide with Claude Code's own .claude/ on the runner
derived
derived
OPENCODE_REVIEW_REPORT_CONFIG
Repo-relative path to a custom opencode.json in the repo under review, installed instead of the committed assets/opencode.json (LADR-047). Must keep the {env:OPENCODE_*} placeholders; .. and absolute paths rejected; missing file → hard fail. Precedence: opencode_config input → this Variable → committed default
Enables the LADR-055 structured-findings sidecar (per-chunk JSON → dedup + confidence gate → rendered ## 🔍 Issues Summary with a ### 📊 Coverage block). Set falsy to revert the chunk prompt and summary to their pre-LADR-055 shape. Fully degradable: no sidecar / malformed JSON / partial coverage / missing Python all fall back
GitHub Variable, default 1
n/a (CI gate only)
Secrets vs Variables: gateway API keys are credentials → Secrets (never Variables — those are plaintext and printable in logs). Gateway URLs, the provider selector, and model ids are non-sensitive config → Variables, so they can be retuned without editing the workflow. Each model vars.* has a literal default so an unset Variable never blanks the model.
Non-GEMINI fail-fast: the model-chain defaults are Gemini IDs. For any non-GEMINI provider you MUST set the three OPENCODE_REVIEW_REPORT_MODEL_* to that provider's models — gpt-5.5 / gpt-5.4 / gpt-5.4-mini (Copilot/OpenAI), claude-opus-4-8 / claude-sonnet-4-6 / claude-haiku-4-5 (Anthropic), deepseek-v4-pro / deepseek-v4-flash / glm-5.1 (OPENCODE-GO-OPENAI), qwen3.7-plus / minimax-m2.7 (OPENCODE-GO-ANTHROPIC), or the vendor-prefixed deepseek/deepseek-v4-pro / qwen/qwen3.7-plus / z-ai/glm-5.1 (OPEN_ROUTER); lib/resolve-provider.sh aborts the run if a gemini* or claude* model leaks through to the wrong provider, or the selected provider's creds are missing. (Also do not mix surfaces — e.g. a claude-* model id on OPENCODE-GO-OPENAI returns a non-retryable 404, and an OpenAI-surface model id won't resolve on go-anthropic and vice-versa.)
Local runs use the same provider mechanism as CI. The skill-level --local switch selects this path and maps to local-review.sh; do not pass --local through to the script. Bare --local is fully specified: run scripts/local-review.sh with no extra arguments, reviewing HEAD/current branch against main, not posting to GitHub, using OPENCODE_REVIEW_REPORT_PROVIDER if set and otherwise GEMINI, and using script model defaults unless explicit --model / model env vars are supplied. Do NOT ask which PR, provider, post mode, or base to use unless the user explicitly requests a non-default. local-review.sh accepts --provider/OPENCODE_REVIEW_REPORT_PROVIDER, harvests every provider's credentials from the shell rc files (URL + key for Gemini/Copilot/OpenAI; API key only for Anthropic, the two OpenCode Go surfaces, and OpenRouter, whose base URLs are hardcoded) (so the non-interactive skill subagent sees them), sources lib/resolve-provider.sh to pick + validate the selected pair, and runs the provider-agnostic opencode health check (lib/opencode-health.sh: opencode serve + /global/health). GHA Variables are CI-only; locally the primary review model is the --model arg and the secondary/orchestrator fall back to script defaults (which must be overridden for non-GEMINI providers). If required provider credentials are unavailable, let the script fail with its actionable prerequisite error rather than asking preflight questions.
GitHub comment overrides use a trusted PR comment on one line: /ai-review --file-limit 5 --exclude-deleted --exclude-generated generated/ --exclude-generated src/api.g.cs. They apply only to that run and override the corresponding Variables. Only --file-limit <positive-integer>, --exclude-deleted, and repeatable --exclude-generated <repo-relative-path> are accepted; unknown switches, absolute paths, and .. path segments fail the run instead of being ignored. The commenter must still be OWNER, MEMBER, or COLLABORATOR.
TL;DR
GitHub Actions workflow that reviews PRs in chunks through the opencode CLI transport — provider-selectable via OPENCODE_REVIEW_REPORT_PROVIDER (GEMINI / COPILOT / OPENAI / ANTHROPIC / OPENCODE-GO-OPENAI / OPENCODE-GO-ANTHROPIC / OPEN_ROUTER) — loads project-specific *AGENTS.md context files, and posts structured reviews with priority categorization — incremental reviews MUST never approve PRs (only full reviews can).
Non-Negotiables
Incremental reviews MUST NEVER approve PRs — only full reviews can approve (LADR-004)
Three-dot notation (...) for diffs — symmetric difference, never two-dot
Never fetch or sync main branch in the workflow
Context file updates must be atomic — workflow YAML and this SKILL.md committed together
ai-workflow-rules.instructions.md is excluded from Gemini context — that file is for coding AI (Claude Code), not review AI (Gemini)
Verify refactor suggestions are not already applied — before recommending a syntactic refactor (primary constructor, record types, collection expressions [...], GetRequiredService<T>() vs GetService, null-coalescing assignment, using declarations, file-scoped namespaces), check the current class/method signature or declaration line via read_file. Do NOT suggest a pattern already in use.
Source-of-truth precedence: diff + LADR/spec over PR-body intent — when the PR description (including AI Review Notes "Focus Areas" / "Known Issues" wording) conflicts with the current diff against base or with an LADR / *_AGENTS.md in the loaded context, the diff and LADR are ground truth. PR-body text inevitably goes stale across follow-up commits and design changes. Do NOT mass-flag the code as wrong because it contradicts an outdated PR-body claim — flag the description as stale at Low instead. If an LADR documents the chosen approach (Decision / Alternatives Considered / Implementation notes), the implementation is by definition intentional — see DR-014 in .agents/skills/code-review-standards/SKILL.md.
System Context
An automated code review system that reviews pull requests using the selected provider's models (Gemini / Copilot / OpenAI / Anthropic / OpenCode Go / OpenRouter, via OPENCODE_REVIEW_REPORT_PROVIDER) through the opencode CLI transport. Reviews are processed in chunks to avoid memory issues, with intelligent grouping by business context (semantic) or directory structure (fallback). Each chunk loads relevant *AGENTS.md context files from parent directories. Results are aggregated into a two-part output: executive summary (always visible) and detailed chunk analysis (collapsible).
The LADRs are not duplicated here. AGENTS.md (sibling file) carries all 54 of them with Date / Status / Context / Decision / Consequences / See-also and the supersede chains. The rules they impose at review time are stated as Key Behaviors below; load AGENTS.md when you need the reasoning, the alternatives, or the history behind one.
Key Behaviors
Review action decision matrix: Full review + no issues → approve | Full + Critical/High → request-changes | Incremental + any result → comment (never approve) | Failed → request-changes
Context file discovery: For each changed file, find-context-files.sh walks UP the directory tree collecting *AGENTS.md files (excluding TEMPLATE_*), then appends the explicit MANDATORY_CONTEXT_FILES list configured in the workflow env: (e.g. root AGENTS.md, PROJECT_SETUP_AGENTS.md, code-review-standards/SKILL.md, TOOL_SETUP_AGENTS.md, scoped backend rules). It does NOT auto-include arbitrary dot-prefixed paths (.docs/*) — only discovered *AGENTS.md plus that explicit list. The per-chunk walk terminates before the repo root, so a root-level AGENTS.md is picked up only via MANDATORY_CONTEXT_FILES. This channel supplies paths, which the prompt tells the model to read on demand; .agents/rules/*.md arrives by a different channel — see below
Rules injection (LADR-070): assets/opencode.json carries "instructions": [".agents/rules/*.md"], so opencode reads every matching file in the repo under review and prepends its content to the system prompt of every call. Unlike context-file discovery this is deterministic, not model-trusted, and unlike MANDATORY_CONTEXT_FILES it takes a glob rather than exact paths. Relative entries resolve against the project directory walking up to the worktree root — the config file's location (the per-run copy pointed to by OPENCODE_CONFIG, LADR-071) is irrelevant. No match is a silent no-op. A repo with large .agents/rules/ pays the token cost on every chunk; an OPENCODE_REVIEW_REPORT_CONFIG override (LADR-047) that drops the key opts out
File exclusion: Filters default off. exclude_generated_paths accepts exact repo-relative files or directory prefixes; exclude_deleted removes deleted paths. Both write a reasoned manifest into every chunk prompt, so excluded changes cannot be reported as missing-file defects.
Minimize previous reviews: On full reviews only, uses GitHub GraphQL minimizeComment mutation to hide outdated AI reviews as "OUTDATED"
Blocking review detection: Incremental reviews skip when github-actions[bot] has CHANGES_REQUESTED; full reviews always run (can clear blocking state)
Full review triggers: trusted PR comment /ai-review (OWNER/MEMBER/COLLABORATOR) | head commit message /ai-review | workflow dispatch | first review on PR. The commit trigger is intentionally head-only so an old trigger commit does not keep forcing full reviews after an ai-analyse follow-up commit.
Autonomous analyse trigger (LADR-042): pipeline-ai-analyse.yml is triggered by workflow_run after OpenCode Review Report completes successfully. It never touches fork PRs, selects the latest gate artifact from a descending PR-review + issue-comment timeline, skips when the latest artifact is a non-actionable skip-incremental comment, only processes trusted medium/low sections, and bounds the loop with the OPENCODE_ANALYSE_MAX_INCREMENTAL cap (no commit sentinel). If OPENCODE_ANALYSE_MODEL is set, OPENCODE_ANALYSE_PROVIDER is required and the analyse primary may run on a different provider than the review fallback chain. Auto-fix commits exclude workflow scratch/tooling paths, rebase onto the branch tip before pushing, and downgrade .github/workflows/** edits to push_skipped unless a working workflow-scoped OPENCODE_ANALYSE_GH_TOKEN is available.
Test in the loop (LADR-045): pipeline-ai-analyse.yml does not let the autonomous fixer edit tests or the test framework unless OPENCODE_ANALYSE_ALLOW_TEST_SELF_FIX is truthy. The Commit step runs ai-analyse/scripts/lib/filter-test-self-fix.sh before staging to revert any such edit, keeping the suite an independent oracle for the fix; reverted paths appear in the PR summary.
Passing checks are not review findings: Chunk and aggregation prompts must not list "No issue", "consistent", "verified for consistency", or other pass confirmations under any Issues section or count them in the recommendation. Put useful confirmations in Positive Highlights or omit them.
Draft PRs — automatic triggers skip, manual triggers allowed: pull_request events on draft PRs are skipped via the job-level github.event.pull_request.draft == false guard. ready_for_review fires the review when the draft is marked ready. /ai-review comments and workflow_dispatch intentionally do NOT check draft state — they are explicit human overrides for early feedback on a draft. Do not extend the draft guard to those paths.
model_preset dispatch dropdown (one-click provider+model switch): workflow_dispatch exposes a model_presetchoice input (default (repository default) = no override). Twelve options each pin a provider + all three model tiers to one model, resolved in the job env: block: Claude Opus 4.8 / Sonnet 4.6 / Haiku 4.5 → ANTHROPIC; GPT-5.5 → OPENAI; DeepSeek V4 Pro / GLM-5.1 → OPENCODE-GO-OPENAI; MiniMax m3 / Qwen3.7 Plus → OPENCODE-GO-ANTHROPIC; OpenRouter DeepSeek V4 Pro / Qwen3.7 Plus / GLM-5.1 / MiniMax M3 → OPEN_ROUTER (vendor-prefixed slugs). A preset takes precedence over the free-text model input and the OPENCODE_REVIEW_REPORT_* Variables, and still requires that provider's API-key Secret. The dropdown is intentionally not exhaustive — every other model in opencode.json is reachable via the free-text model input or the _MODEL_* Variables.
Max-file-count gate (LADR-032): A PR whose post-exclusion changed-file count exceeds OPENCODE_REVIEW_REPORT_MAX_FILE_COUNT (default 100) is too large to review reliably. The Block PR if Too Many Files Changed step (right after Generate PR Diff) posts a --request-changes review asking the author to split the PR (or raise the Variable) and emits exceeded=true; the whole AI review chain short-circuits on that output. Do not attempt to review an oversized changeset.
Machine-readable action: Aggregation outputs MACHINE_READABLE_ACTION: field; fallback parses actual content from Critical/High sections filtering out "None found"
Documentation drift detection (Medium priority, capped): When a PR modifies behavior documented in any nearby documentation file (AGENTS.md, README, HLDs, ADRs, LADRs, NFRs) but does NOT update that file, flag as Medium at most — never High or Critical. Stale context causes future AI agents to write code against outdated assumptions. Check: new external dependencies without C4Context update, changed handler flows without sequence diagram update, added/removed entity relationships without ER diagram update, modified key behaviors without documentation update. See LADR-046.
AGENTS.md template sections are optional: Per .agents/skills/ai-review-report/references/knowledge-conventional-contexts-quality.instructions.md, all sections except Changelog MUST be omitted if they would be empty or "N/A". Do NOT flag missing System Context, Quality Constraints, or Migration Plans — omission is intentional and correct. C4 diagrams are only required for services/workers with external integrations; libraries, config docs, and reference files correctly omit them.
Migration/schema chunk detection: Chunks containing *.sql, *_Migration.cs, or */Migrations/*.cs files receive a migration-focused prompt (reversibility, existing data handling, nullable column safety, index impact, forward/backward compatibility, rollback strategy). Takes priority over doc-only detection. See LADR-013.
Verification-mechanism chunk detection (LADR-060): Chunks containing CI/CD or gating configuration (.github/workflows/**, .github/actions/**, .gitlab-ci.yml, azure-pipelines*.yml, Jenkinsfile), skill scripts (.agents/skills/*/scripts/**), or test-harness config (.pre-commit-config.yaml, codecov.yml, sonar-project.properties, jest/vitest/playwright configs, pytest.ini, conftest.py, *.runsettings) receive a fidelity-focused prompt: the selection question is "if this mechanism is wrong, does it fail loudly or silently pass?", and fidelity risk warrants full attention regardless of changed-line count. Fires on the mechanism, not on ordinary per-feature test assertions. Evaluated after migration detection and before doc-only detection — *.yml/*.yaml are in the doc-only allowlist, so behind it a workflow-only chunk would fall through to the documentation prompt and inherit the LADR-046 Medium drift cap. The drift cap explicitly does not apply to a verification chunk.
Documentation-only chunk detection: Chunks containing only documentation files (.md, .yml, .yaml) receive a lighter review prompt focused on factual accuracy, template compliance, drift detection, and consistency — code review priorities (correctness, security, performance) are replaced. Severity threshold is raised: only factual inaccuracies that would cause incorrect AI-generated code warrant Critical/High. Documentation drift findings (AGENTS.md, README, HLDs, ADRs, LADRs, NFRs) are capped at Medium regardless of chunk type (LADR-046).
Skip Areas enforcement: Items listed under "Skip Areas" in PR author's AI Review Notes are out-of-scope for Critical, High, and Medium classifications — flag at Low Priority at most.
Diff + LADR/spec beats PR-body intent: When PR description wording (Focus Areas, Known Issues, intent claims) conflicts with the current diff against base OR with an LADR / *_AGENTS.md in the loaded context, treat the diff and LADR as ground truth. PR-body text becomes stale across follow-up commits; do not mass-flag code as wrong because it contradicts an outdated description. Flag the description as stale at Low instead. If an LADR's Decision / Alternatives Considered / Implementation notes records the chosen approach, the implementation is by definition intentional — do not flag at Critical/High. Self-consistency check: if your own per-chunk review confirms an LADR is correct ("perfectly reflects the codebase", "documents this correctly"), you cannot raise the same chosen approach as Critical elsewhere in the same review. See DR-014 in .agents/skills/code-review-standards/SKILL.md.
Confidence anchors (LADR-055): In addition to the [VERIFIED]/[SPECULATIVE] tag, every finding carries a discrete confidence anchor — exactly one of 0, 25, 50, 75, 100 — chosen by a behavioural criterion, not a feeling of certainty. 0/25 are never emitted. 50 is "verified real, but a nitpick, narrow edge case, or minimal impact" — style preferences land here. 75 requires naming a concrete observable consequence; the discriminator is "will a user, caller, or operator concretely encounter this in normal usage, or is this my opinion about the code's quality?"100 is verifiable from the code alone. Anchor and severity are independent axes: a Medium can be anchor 100, a Critical can be anchor 50. The anchor decides where a finding surfaces; the severity orders it within the surfaced set. [SPECULATIVE] implies anchor ≤ 50. Suppression is mechanical (< 75 and not critical → suppressed and counted), not a taste request.
Item numbering namespaces (LADR-063, LADR-067, LADR-068): every item in the posted review carries an identifier, and each class has its own sequence — 1., 2. findings (a plain markdown ordered list); T1) testing gaps; R1) residual risks; P1) pre-existing; H1) holistic cross-chunk items. The sequences are independent by design: adding a finding must never renumber a residual risk, because a skip recorded in the PR body Skip Areas bullets on an earlier run is matched by identifier on the next one. Quote the identifier verbatim when accepting, fixing or skipping an item. Holistic numbers are assigned deterministically after aggregation, not by the model. The trailing paren replaced a leading # in LADR-067: GitHub autolinks #+digits to an issue/PR in the repo under review, so **#1** posted as a link carrying that issue's title. LADR-068 then dropped the bullet and the paren from findings specifically — - **1)** was a bullet AND a number — leaving 1., which is safe only because merge-findings.py numbers in severity order so every section holds a contiguous run (CommonMark takes an ordered list start from its first item and disregards the rest). The four prefixed classes stay bullets with a bolded identifier, since a letter-prefixed token cannot be a list marker.
Quote-the-line gate (LADR-055): Before anchoring at 75 or 100, the reviewer must put the verbatim motivating line(s) with file:line in first_evidence (the sidecar no longer carries an evidence array — LADR-064). Cannot quote → step down to 50. This is enforced after the fact, not trusted: merge-findings.py demotes any 75/100 finding with no first_evidence and reports the count in the posted Coverage block. Framework carve-out: when the symbol is generated by a metaclass, ORM configuration, decorator, source generator, or migration history (EF Core fluent config / DbSet / migration snapshots, Rails has_many/scope, Django Meta, SQLAlchemy Column, Prisma, TypeORM/Sequelize), quoting the generating construct satisfies the gate — a failed grep for the literal name does not and is not evidence of absence. Same principle as DR-012 seen from the evidence side. This closes the "symbol doesn't exist" false-positive class LADR-015 targets and DR-013/DR-015 keep patching.
Cross-chunk merge and stable numbering (LADR-055): Findings are deduplicated across chunks on (file, line, title) normalised, merged conservatively (most severe severity wins; autofix_class/owner take the more conservative value; requires_verification and verified OR; pre_existing survives only on unanimity), sorted deterministically and numbered 1., 2., … (never #1 — see LADR-067; ordered-list form per LADR-068). The posted Issues Summary is rendered from that merged set whenever the merge ingested at least one chunk. On partial coverage it still renders, but the Coverage block leads with a warning naming the chunks that contributed nothing and pointing at the ### Chunk N sections that still carry their findings verbatim (LADR-064). This was originally all-or-nothing; the sidecar is emitted last and is the first casualty of truncated output, so one truncated block discarded the whole merged summary on 2 of 3 observed multi-chunk runs. The verdict is unaffected either way — it is parsed from the orchestrator summary, which saw every chunk. Every finding carries a chunk back-reference ((chunk 3) / (chunks 2, 5)) naming a ### Chunk N section in the collapsible detail. Part 2 stays verbatim per-chunk output — duplicates and suppressed findings included — so the two parts' counts are meant to differ.
Confidence tagging: Every finding must be tagged [VERIFIED] (reviewer saw code in chunk diff or via read_file) or [SPECULATIVE] (inferred from partial context). Tag is placed immediately after the priority emoji. Aggregation preserves tags and must not elevate [SPECULATIVE] findings to Critical/High. /ai-review:analyse auto-recommends skip for [SPECULATIVE]-tagged findings. Platform-behavior claims — a finding that depends on a claim about how an external platform or framework behaves (GHA contexts/triggers, npm/registry, git, SDK contracts) — must verify that claim via webfetch of official docs or be tagged [SPECULATIVE]; seeing the code in the diff does NOT verify the platform claim. See DR-015.
Critical/High symbol verification: Before flagging a Critical or High issue, the model must use read_file to confirm the flagged symbol/pattern exists in the current file state — not just in the diff hunk. Multi-commit PRs may show removals in diff context that were already applied in earlier commits on the same branch. For findings that rest on platform behavior (e.g. "this expression is empty in context X", "this trigger never fires"), the model must verify the behavior via webfetch of official docs before flagging Critical/High or downgrade to [SPECULATIVE]. See DR-015.
Mode-aware regression analysis — trace pre-PR behaviour in every execution mode before flagging a deleted throw/guard as a regression: When a PR deletes a throw, early-return, or guard clause that was conditional on a feature flag, configuration value, or mode selector, do NOT flag it as a regression without first tracing the pre-PR behaviour in every execution mode the code supported. If the deleted branch was already dead code (unreachable or bypassed) in the mode that survives the PR, there is no regression — the PR is simply removing dead code alongside the mode it belonged to. Signal: PR description mentions "remove mode", "deprecate flag", "single worker", or the diff deletes both a flag property AND the branches gated on it. See DR-013 in .agents/skills/code-review-standards/SKILL.md.
EF Core expression tree navigation — do not flag NRE: Navigation property access inside EF Core .Select(), .Where(), .OrderBy() lambdas is compiled into an expression tree and translated to SQL (LEFT/INNER JOIN with NULL propagation) — it is NOT executed as runtime C#. Do NOT flag NRE risk or suggest ?. on navigation properties inside these lambdas. Signal: method returns IQueryable<T> or ends with .ToListAsync(). Materialized code (after .ToList(), .FirstOrDefault(), .AsEnumerable()) is runtime C# and NRE rules apply normally. See DR-012 in .agents/skills/code-review-standards/SKILL.md.
Diff integrity warning + hard truncation (LADR-015/035): When a single file's diff exceeds the effective per-file cap (MAX_FILE_DIFF_SIZE = 100KB, or whatever is left of the chunk's diff budget), the prompt includes the diff TRUNCATED to that cap plus a warning instructing the model not to raise Critical/High issues for that file without read_file verification of current file state, followed by an inline [... diff truncated: N bytes omitted ...] marker. Once the chunk's total diff budget (MAX_PROMPT_DIFF_SIZE, 200KB) is exhausted, remaining files get a DIFF OMITTED paragraph with the same read_file requirement instead of any diff. The diff is never appended unbounded.
Verification-incomplete suppression: If a file was not included in a review chunk (not in "Files in this chunk"), the reviewer must NOT flag concerns about that file at Critical/High/Medium. Only Low (informational) is allowed for unreviewed files.
Semantic grouping "logic moved" detection: When semantic grouping detects code removed from one file and similar code added in another (e.g., validation moved from backend to frontend), both files are grouped in the same chunk for holistic review.
Prompt requirements: PR metadata in expertise statement, AI Review Notes from PR description included, priority categorization mandatory, "None found" for empty categories, suggested fixes with before/after code
Runner requirement: Runs on ubuntu-latest (GitHub-hosted). opencode is provider-agnostic transport, so the selected provider endpoint must be reachable from GitHub-hosted runners — either an env-driven OPENCODE_REVIEW_REPORT_<P>_URL gateway for Gemini/Copilot/OpenAI, or the fixed public bases for Anthropic, OpenCode Go, and OpenRouter. It must be publicly routable over HTTPS, not private-network/VPN-only. If a private-network endpoint is ever used, switch runs-on back to self-hosted (the job is network-bound — chunked to <100KB/call — so plain self-hosted suffices, not self-hosted-high-memory). gh CLI is pre-installed on ubuntu-latest and must NOT be installed/updated in the workflow.
opencode transport: every model call is opencode run --agent review --model ${OPENCODE_REVIEW_REPORT_PROVIDER_ID}/<model>, with the provider-id resolved by lib/resolve-provider.sh (GEMINI→gemini, ANTHROPIC→anthropic, OPENCODE-GO-OPENAI→go-openai, OPENCODE-GO-ANTHROPIC→go-anthropic, OPEN_ROUTER→openrouter; opencode splits on the first /, so a vendor-prefixed OpenRouter slug resolves intact). Prompts arrive on stdin. opencode-with-fallback.sh takes an explicit chain per call site: chunk review = primary→secondary (LADR-002), orchestrator calls = orchestrator→resolved review model (LADR-022). The review agent allows read/grep/glob/list/external_directory/webfetch/websearch and denies skill/task/edit/write/bash, so read_file verification works while a prompt-injected diff cannot run commands. Output under 200 bytes counts as a failure: the chunk gets a ## ⚠️ Review Failed for Chunk: marker plus an out-of-band chunk_<n>.failed flag, and the flag — never the marker text — drives the fail-closed decision (LADR-031). Setting OPENCODE_REVIEW_REPORT_<P>_URL routes Gemini/Copilot/OpenAI through a gateway; Anthropic, both OpenCode Go surfaces and OpenRouter keep hardcoded bases.
Release branch sync review mode: Branches matching chore/bnk[uir]-001-sync-* (case-insensitive) trigger sync mode (REVIEW_MODE=sync). Chunk prompts focus on merge conflict errors, cross-PR breaking combinations, config/env drift, and migration ordering conflicts. Holistic aggregation is similarly narrowed. Style, test coverage, performance, and documentation issues are explicitly excluded. Severity threshold: only Critical, High, and Low (informational) — no Medium. See LADR-016.
Local CLI execution: local-review.sh wraps the CI scripts — same provider mechanism, same transport (see Local runs above for the --local contract). Flags: --pr N (fetches PR metadata via gh), --base BRANCH, --model, --provider, --post (requires --pr). Needs the opencode CLI and jq; macOS also needs gsed. Output lands in .context/ai-review/<timestamp>/final_review.md.
Holistic aggregation runs for every PR (LADR-030): The full holistic / high-level aggregation LLM call runs regardless of chunk count — single-chunk PRs are no longer short-circuited. Every PR gets the aggregated ## 📋 Overall Summary, ## ✅ Positive Highlights, ## 🔍 Issues Summary, ## 📝 Suggested Fixes, ## 🎯 Recommendation, and ## 🔄 Holistic Cross-Chunk Analysis. The prompt phrasing adapts to chunk count (a 1-chunk PR is described as "reviewed in a single chunk", not "multiple chunks"). The decision is the LLM's policy-driven recommendation (same path as multi-chunk PRs), and remains protected by the chunk-count-agnostic guards: the fail-closed net (out-of-band chunk_<n>.failed flag files, LADR-031), the workflow's incremental→--comment/never-APPROVE rule (LADR-004), and the empty/tiny-summary REQUEST_CHANGES fail-safe. LADR-020 still suppresses the Integration/DI/Test-Coverage holistic sub-sections when TOTAL_CHUNKS <= 2.
Review-coverage gaps never block (LADR-036): At aggregation, "a file was not included in any review chunk", "a chunk failed or timed out", and "I could not verify the author's focus area" are review-coverage gaps, not code defects — reported as 🔵 Low [SPECULATIVE] only, never listed under Critical/High/Medium, and never counted in the Recommendation's issue counts. Failed chunks are handled mechanically by the fail-closed net (LADR-031); a model-raised blocking finding for the same gap would double-count it. Applies even when the PR author's AI Review Notes ask for focus on the unverifiable file/area.
Fail-closed override is visible (LADR-036): When any chunk_*.failed flag exists, the posted body header carries a "⚠️ Review coverage incomplete: N of M chunks failed" banner explaining the review is posted as REQUEST CHANGES (fail-closed) regardless of the Recommendation section — the body and the posted state never contradict. The banner and the override read the same FAILED_CHUNK_COUNT (flag files only, never review-text grep — LADR-031). Do NOT weaken the override itself: any failed chunk still forces request_changes.
Orchestrator model for non-analytical calls (LADR-022): Any call that is not a chunk review runs on OPENCODE_REVIEW_REPORT_MODEL_ORCHESTRATOR (default gemini-3-flash-preview), falling back to the resolved review model if the orchestrator is down. Applies to: semantic grouping (review-in-chunks.sh) and the aggregation summary (aggregate-reviews.sh, which now runs for every PR per LADR-030). The orchestrator is an explicit, independently-tunable env var — the old get_aggregation_model() derivation and the auto logical name were removed. Chunk review keeps the two-tier review chain (LADR-002). The **Model:** field in the posted review shows the resolved review model — the orchestrator is an implementation detail. The orchestrator is probed in the background at startup (LADR-066): the probe costs no wall time, and a failed probe rewrites OPENCODE_REVIEW_REPORT_MODEL_ORCHESTRATOR to the resolved review model before the chunked review starts, so orchestrator calls never spend their timeout budgets on a dead first hop. Supersedes LADR-018 Flash-tier derivation.
No read_file at aggregation (LADR-019): Aggregation prompt explicitly tells the model not to perform file-system verification. Symbol verification belongs to the chunk-review step (per "Critical/High symbol verification" Key Behavior and LADR-015). Aggregation abstains by prompt instruction — the default agent's read tools are deliberately left unused for the summary step.
All-models-failed soft-fail (LADR-021): If the startup probe finds both review models unavailable (quota / API key / region — the orchestrator has its own background probe, LADR-066, which cannot fail the run), the model-test step sets all_models_failed=true and completes successfully instead of exit 1. A dedicated step posts a --request-changes review identifying the failed models and linking the workflow logs, then the job exits green. All downstream review steps short-circuit via steps.gemini_model_test.outputs.all_models_failed != 'true'. Reviewers see the request-changes verdict on the PR (consistent with the "Failed → request-changes" branch of the decision matrix) rather than a red workflow check.
Trim holistic sections on small PRs (LADR-020): Integration / Dependency Injection / Test Coverage Analysis sections of the holistic prompt are only included when REVIEW_TYPE=full AND TOTAL_CHUNKS > 2. These are intra-chunk concerns — chunk reviews already evaluate them per chunk; re-asking the aggregation model on 1-2 chunk PRs is duplicate work.
Changelog
Dated audit trail: references/CHANGELOG.md. LADR narratives and the editing-time Key Behaviors: AGENTS.md. Load either only when modifying this skill or its scripts.
