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CLI Compile Surface Hardening · fritzandfriends | DecimalAI

codingby fritzandfriends

CLI Compile Surface Hardening

fritzandfriends/cli-compile-surface-hardening

Source fritzandfriends/blazorwebformscomponents ↗License MIT

Keep migrated Blazor output compiling when more Web Forms artifacts stay on the generated compile surface

SkillScore91Maintained

Automatic

Coding pack

Last verified 8/19/2026

What it changes

Passed 20 of 22 test cases with the skill, and 8 of 22 without it.

Without skill36%

With skill91%

Checks it passed that the model alone missed

Recommends generating stubs based on `metadata.MarkupContent`.
Recommends generating render-method stubs that return `object?`.
Specifies declaring missing field stubs as private object? fields.

and 19 more in the full report

13 fixed7 passed either way1 still failing1 broke

Pass-rate lift: +55 pp
Tokens: -40%
Agent turns: 0%
Response time: -68%

Model gemini-3.6-flashMeasured 8/19/2026v120 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/fritzandfriends-cli-compile-surface-hardening/SKILL.md https://app.decimal.ai/s/fritzandfriends-cli-compile-surface-hardening/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add fritzandfriends-cli-compile-surface-hardening, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/fritzandfriends-cli-compile-surface-hardening/ and pins it in .decimal/skills.lock

decimalai skills add fritzandfriends-cli-compile-surface-hardening

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/fritzandfriends-cli-compile-surface-hardening/SKILL.md https://app.decimal.ai/s/fritzandfriends-cli-compile-surface-hardening/SKILL.md

Raw file: /s/fritzandfriends-cli-compile-surface-hardening/SKILL.md ↗ · machine-readable summary at /s/fritzandfriends-cli-compile-surface-hardening.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 13 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 13

Prompt

When the migration CLI encounters an unbound render method reference like `@GetHeaderTitle()` inside a Razor component markup, what C# method stub signature should be generated in the code-behind file to satisfy compilation?

What was checked, without and with the skill
Checked	Without skill	With skill
Recommends generating render-method stubs that return `object?`.	Missed	Passed
Specifies creating the method stub with zero parameters corresponding to `@MethodName()`.	Passed	Passed

case-08 · gemini-3.6-flash · 8/19/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md25 linessingle file

Context

Use this when the migration CLI starts emitting more generated .razor.cs files or copying more legacy source into the output project. The goal is to preserve deterministic L1 behavior while preventing compile failures from style analyzers, generic Razor component inference, or unresolved markup references.

Patterns

In generated migration projects, prefer <EnforceCodeStyleInBuild>false</EnforceCodeStyleInBuild> over broad warning suppression when copied legacy files would otherwise fail repo-level IDE analyzers.
Add validator generic arguments with the BWFC component's actual generic parameter name, not an assumed TValue alias:
- RequiredFieldValidator → Type="string"
- CompareValidator / RangeValidator → InputType="string"
Run markup-driven member stub generation after the main code-behind transforms, using transformed Razor markup (metadata.MarkupContent) as the source of truth.
Stub only the deterministic missing-member shapes that are safe to infer mechanically:
- @MethodName() → render-method stub returning object?
- @_fieldName → private object? field
- OnClick="@HandlerName" and similar → void HandlerName(object? sender, EventArgs e)
Register new transforms in both production DI (src\BlazorWebFormsComponents.Cli\Program.cs) and tests\BlazorWebFormsComponents.Cli.Tests\TestHelpers.cs so the lightweight and full pipelines stay aligned.

Examples

src\BlazorWebFormsComponents.Cli\Transforms\Markup\ValidatorGenericTypeTransform.cs
src\BlazorWebFormsComponents.Cli\Transforms\CodeBehind\MarkupReferencedMemberStubTransform.cs
tests\BlazorWebFormsComponents.Cli.Tests\TransformUnit\CompiledCodeBehindStubPipelineTests.cs

Anti-Patterns

Suppressing all warnings/errors in the generated project when only code-style analyzers are the problem.
Injecting TValue="string" into BWFC validators that actually expose Type or InputType generic parameters.
Generating markup-reference stubs before markup transforms run, or reading original Web Forms markup instead of the transformed Razor output.
Emitting placeholder stubs for every @Identifier token; restrict deterministic generation to the specific reference shapes you can classify safely.

Track record

Benchmark

20 / 22

test cases passed, vs 8 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

fritzandfriends / blazorwebformscomponents

.squad/skills/cli-compile-surface-hardening/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

More skills from the same source and nearby in the registry, with their headline benchmark lift.