Loads human-authored design briefs from .moai/design/ (research, system, spec, pencil-plan) and injects them into /moai design workflow context with priority truncation when token budget is exceeded.
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Loads human-authored design briefs from .moai/design/ (research, system, spec, pencil-plan) and injects them into /moai design workflow context with priority truncation when token budget is exceeded.
Loads human-authored design brief documents from .moai/design/ and injects a
token-capped consolidated context block into the orchestrator prompt before
expert-frontend or moai-domain-brand-design is invoked.
This skill is called automatically during Phase B2.5 of the /moai design workflow
when design_docs.auto_load_on_design_command is true, and can also be invoked
standalone with an explicit dir argument.
Quick Reference
Priority order (REQ-2, AC-4): spec > system > research > pencil-plan
Truncation order when over budget (REVERSE priority): drop pencil-plan first, then research, then system; always preserve spec.
Implementation Guide
Step 1: Resolve Configuration
Read design_docs from .moai/config/sections/design.yaml. If design_docs key
is absent, use compiled-in defaults and log:
design_docs not configured — using defaults
Defaults:
dir: .moai/design
auto_load_on_design_command: true
token_budget: 20000
priority: [spec, system, research, pencil-plan]
If invoked standalone with an explicit dir argument, override dir with the
provided value. All Read tool calls must target paths under , not the
default .
<dir>/
.moai/design/
Step 2: Check Directory Existence
Use Glob to check whether <dir>/ exists. If the directory does not exist, return
gracefully with an empty context block and log:
design docs not initialized — run /moai init or SPEC-DESIGN-DOCS-001 to create
Return:
## Design Context (from .moai/design/)
(header only, no content lines)
Step 3: Auto-Load Gate (REQ-1, REQ-9)
When invoked from Phase B2.5 (not standalone), check
design_docs.auto_load_on_design_command. If false, skip and return an empty
context block. Do not auto-invoke; respond only to explicit standalone calls with
dir.
Step 4: Parallel File Discovery and Read (REQ-11, AC-13)
Issue all Read tool calls for candidate files as a single batched parallel
tool-call set in the same orchestration turn. The candidates are the bare tokens
from the priority array, mapped to <dir>/<token>.md.
Example parallel Read calls (four files, one turn):
Read <dir>/spec.md
Read <dir>/system.md
Read <dir>/research.md
Read <dir>/pencil-plan.md
If a file does not exist, treat as not present (not an error). If a file cannot be
read due to a permission error or corruption, add the token name to the warnings
array and continue with remaining files (partial success semantics, REQ-14, AC-15).
Step 5: Filter TBD Files (REQ-3, AC-5)
For each successfully read file, check whether the content contains exclusively
_TBD_ markers (i.e., no user-authored sections — all non-empty lines are _TBD_
or YAML/Markdown structural lines produced by scaffolding with no user content).
A file is considered _TBD_-only when every meaningful content line matches:
Blank lines or lines containing only _TBD_
Markdown headings with no body text beyond scaffold headings
The scaffold comment pattern (lines starting with <!-- or >)
Include files in priority order (spec first) until the cumulative
estimated_tokens would exceed token_budget.
When adding the next file would exceed the budget:
Drop the lowest-priority candidate first (REVERSE priority: pencil-plan
before research before system; never drop spec).
Retry with remaining files.
If a single file alone exceeds the remaining budget after all higher-priority
files are included, truncate that file at the nearest ## or ### section
boundary before the budget is exceeded, then append a trailing marker:
> truncated: <filename> at char_offset=N
where N is the character offset of the truncation point within the original file.
When .moai/design/ is absent or all files are _TBD_:
## Design Context (from .moai/design/)
Edge Cases
All Files Are TBD (REQ-15, AC-16)
Directory exists but every candidate is _TBD_-only. Return header with no
> source: lines and log: design docs present but all are _TBD_ — no content loaded
Missing design_docs Configuration (REQ-16, AC-17)
design.yaml has no design_docs key. Use compiled-in defaults and log:
design_docs not configured — using defaults
Standalone Invocation with Custom dir (REQ-10, AC-12)
When invoked with dir=/path/to/alt-design/, all Read tool calls must target
paths under /path/to/alt-design/. Zero reads should target .moai/design/ in
the project root.
Partial Read Failure (REQ-14, AC-15)
When one file is unreadable (permission error, corruption), add it to warnings,
continue with remaining files, and include available > source: sections in the
output.
Works Well With
moai-domain-brand-design: Receives this skill's context block before brand
design generation
expert-frontend: Primary downstream consumer of injected context
moai-workflow-design-import: Parallel path A workflow (Claude Design bundle)
moai-workflow-gan-loop: Uses design context as quality evaluation reference
REQ coverage: REQ-1 through REQ-16
SPEC: SPEC-DESIGN-ATTACH-001
Version: 1.0.0
