bcquality/docs/standalone-runner.md
2026-09-24 11:40:05 +02:00

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Build a lightweight standalone review runner

Documentation | Architecture

BCQuality provides review knowledge, routing, execution instructions, and structured output contracts. It intentionally does not choose models, schedule agents, retry failures, or collect usage telemetry. A standalone runner can add those host-specific capabilities without copying Business Central rules out of BCQuality.

Use the built-in standalone plugin when the host's default execution is sufficient. Build a runner when you need explicit control over cost, latency, concurrency, or integration with another review surface.

Start with the minimal integration example to connect your agent to the content before adding runner-specific behavior.

Keep BCQuality current

For plugin installation, use the quick start. For version identifiers, forks, and reproducible snapshots, see updates and versions.

A runner that reads BCQuality from a checkout should pin a commit or release and upgrade it deliberately. Do not copy knowledge files or action-skill prose into the runner; doing so creates a second, drifting quality policy.

Review a complete app folder

For a committed app, generated fixture, or source tree that has no meaningful diff, supply the app's root directory as folder-path. The review scope is every relevant file below that directory, including app.json and AL source. The folder does not need to be a Git repository.

The app-review example uses this input through the standalone adapter. Because a folder is a current-state snapshot, the review must not invent a previous app version when evaluating comparison-only rules. Entry can return more than one top-level skill; preserve all reports, including separately dispatched Community reviews, rather than assuming the Microsoft coordinator is the only result.

Minimal runner flow

  1. Give the agent the review input and a task context containing the user's actual goal, available input types, and any known BC applicability dimensions.
  2. Invoke skills/entry.md. Entry prepares the knowledge index and returns the action skills to run. Do not reproduce its routing logic.
  3. Execute every dispatched action skill with the exact input subset in its dispatch record. Read skills/read.md and skills/do.md on demand.
  4. When an action skill declares sub-skills, resolve its ordered leaf slots with tools/Resolve-SkillWorklist.ps1, passing the enabled layers and disabled skill paths from the task context. Execute every resolved leaf as a discrete invocation. Leaves are independent and may be scheduled serially or concurrently.
  5. Capture the exact Task return as the immutable raw audit payload and primary transport. Preserve it unchanged in private artifacts or host logs. Before the full DO acceptance gate, create a normalized candidate only for DO's bounded optional-range case, record that normalization separately in private telemetry, and accept the candidate only if the entire copy passes the unchanged strict gate. Use tools/Validate-FindingsReport.ps1, passing the exact source paths and fully retrieved article paths; pass -SkillKind super for the final rolled-up report. The accepted report contains no undeclared telemetry fields.
  6. Collect each accepted findings-report into sub-results in the declared sub-skills order, not completion order. Run the super-skill self-review only after all leaves have finished.
  7. Apply the DO composition, failure, deduplication, reference-integrity, and outcome rules. Return strict JSON before rendering it for people or another system.

The runner must never inspect the diff to skip a review domain. A leaf decides its own task-level applicability and reports not-applicable or no-knowledge.

Runner-owned choices

Keep these settings and behaviors outside BCQuality:

  • coordinator and leaf models;
  • serial or concurrent scheduling and maximum concurrency;
  • retries, timeouts, and rate-limit handling;
  • token, cost, duration, and actual-concurrency telemetry;
  • conversion of the findings report into Markdown, annotations, or PR comments.

Model selection and requested concurrency are deployment choices, not review rules. Evaluate them against representative applications before making them a default. Report actual usage and concurrency only when the host exposes native evidence; do not infer them from the requested profile.

Failure and output checklist

A compatible runner:

  • invokes every worklisted leaf exactly once unless a documented retry replaces a failed attempt;
  • resolves same-ID leaf implementations by custom > community > microsoft, preserves declared slot order, and falls back when a higher layer is disabled;
  • keeps leaf contexts isolated and passes only the inputs they declare;
  • preserves each raw Task return unchanged for audit and distinguishes it from any normalized accepted copy;
  • removes only an optional range whose positive integer bounds contain the primary line but start before it, and only when the complete report has no other defect and the finding has no suggested-code;
  • records normalization only in private runner telemetry and never adds fields to the findings-report;
  • rejects reversed, invalid, or out-of-bounds ranges, range mismatches attached to suggested-code, and every repair outside DO's bounded exception;
  • preserves every leaf report, including failed reports, in sub-results;
  • excludes unreliable findings from failed leaves and returns partial when only part of the review is reliable;
  • orders sub-results by the declared worklist and orders rendered findings deterministically;
  • calculates top-level severity counts from deduplicated top-level findings, not by summing leaf counts;
  • preserves knowledge paths verbatim and verifies references before publishing;
  • records the BCQuality commit or release used for the run.

A CI integration, custom agent, or small host-native plugin can implement this runner contract. These remain optional consumers: BCQuality's knowledge and skills stay independent of their orchestration choices.