ALDC Core Changelog¶

[4.1.0] - 2026-06-05¶

Trimmed always-on entrypoint (~31% lighter) — consuming projects receive the leaner Copilot entrypoint on install; less context injected on every request.
Narrow instruction globs (applyTo by object type) — only rules for the file being edited are loaded.
Conductor context passing — passes curated context excerpts to subagents instead of whole files.
Condensed primitives (agents, instructions, skills) — behavior and orchestration preserved.
BCQuality task-context built once and passed inline — no re-derivation per call.

BCQuality — optional external, citable BC knowledge layer for reviews & audits: a pinned fork consumed externally (multi-root), external.bcquality configuration, install scripts (tools/bcquality/), a multi-root aldc.code-workspace, evidence validation (pin coherence + citation resolvability) wired into CI, and a full guide (docs/bcquality.md). Graceful native A–G fallback when absent — never blocks.
@AL Triage — reactive diagnosis agent (read-only on code).
@Dredd — independent static auditor (read-only on code; BCQuality-cited advisory verdict).
skill-contribution-assistant — guided contribution workflow.
Restored full architecture and spec templates with section-complete authoring guidance.

Breaking Changes:

Primitives reorganized into a packages/foundation/ structure (agents, instructions, prompts, skills) alongside the existing root layout
Agent, instruction, and skill content condensed to reduce token consumption — wording and structure changed, behavior preserved

Added:

packages/foundation/ package layout for framework primitives
Architecture Decision Records (docs/decisions/): ADR-0001 (Phase 1 restructure), ADR-0002 (distribution lifecycle), ADR-0003 (package structure)
al-agent.build-instructions prompt
skill-manifest SKILL entry and skill-agent-task-patterns usage examples

Changed:

Agents, instructions, and skills optimized for lower token footprint while preserving behavior and orchestration
Documentation templates (spec, architecture, delivery, technical-spec, test-plan) condensed for token efficiency
Prompts revised for conciseness and clearer GitHub Copilot alignment
All instruction files and templates translated to English

Agents updated with improved model references and refined LLM prompting strategies
Prompts revised for clarity and better GitHub Copilot alignment
Tools and workflows enhanced with latest framework improvements
New skill-manifest skill: Extension Manifest Generator for BC extensions
Claude plugin updated: commands, rules, and skills aligned with framework v3.2.3

Optional agent and skills for Business Central Agent development with the AI Development Toolkit and Agent SDK.

@AL Agent Builder agent — Designer (no-code) and SDK (pro-code) paths, 7-phase workflow with HITL gates
skill-agent-instructions — Responsibilities-Guidelines-Instructions authoring framework
skill-agent-task-patterns — 8 integration patterns (Public API, Page Action, Business Event, Attachment, Multi-Turn, Lifecycle, Session Detection, Session Event Binding)
skill-agent-toolkit — Agent SDK reference (core interfaces, setup, troubleshooting, quality checklist)
Workflows: al-agent.create, al-agent.task, al-agent.instructions, al-agent.test
Tools: scaffold_agent.py (project scaffolder), validate_agent_config.sh (SDK validator)

Skills system — 11 composable knowledge modules loaded on demand by agents
7 required: api, copilot, debug, performance, events, permissions, testing
4 recommended: migrate, pages, translate, estimation
Per-requirement contracts — {req_name}.spec.md, .architecture.md, .test-plan.md in .github/plans/
Global memory — cross-session memory.md for project-wide decisions and context
Skill template — 7^th immutable template for creating new skills

Agent model: 11 agents → 4 public + 3 internal subagents
Public: al-architect, al-conductor, al-developer, al-presales
Internal: AL Planning Subagent, AL Implementation Subagent, AL Code Review Subagent
Workflow model: 18 prompts → 6 workflows (spec.create, build, pr-prepare, memory.create, context.create, initialize)
Specialized agent capabilities (debug, events, API, etc.) absorbed into composable skills

Public agents: al-debugger, al-tester, al-api, al-copilot (capabilities preserved as skills)
12 single-purpose prompts (replaced by skill system)