feat: add Solid framework rules ported from eslint-plugin-solid

.agents/skills/rule-research/SKILL.md

@@ -68,6 +68,7 @@ Goal:
 Find examples where <exact bug definition>.
 
 Return:
+
 - Strong positive examples
 - Pattern-adjacent examples
 - False-positive traps
@@ -93,24 +94,31 @@ Detector precision:
 Syntax-only | scope-aware | path-aware
 
 Evidence:
+
 - <docs, OSS, issue, RDE, or similar-tool evidence>
 
 Strong positives:
+
 - <exact reportable examples>
 
 False-positive traps:
+
 - <valid examples that must stay quiet>
 
 In scope for v1:
+
 - <supported cases>
 
 Out of scope for v1:
+
 - <explicit non-goals>
 
 Test seeds:
+
 - <invalid and valid fixture ideas>
 
 Open questions:
+
 - <only questions that affect correctness or scope>
 ```
 

.agents/skills/rule-validate/SKILL.md

@@ -96,11 +96,13 @@ Catches <specific issue>.
 <Runtime reason in 1-3 sentences.>
 
 Before:
+
 ```tsx
 <bad example>
 ```
 
 After:
+
 ```tsx
 <good example>
 ```
@@ -115,14 +117,14 @@ After:
 
 ## Eval results
 
-| Check | Result |
-| --- | --- |
-| Repos scanned | `<distinct repo count>` |
-| RootDir scans | `<manifest/rootDir entries>` |
-| Target rule | `<rule-name>` |
-| Diagnostics | `<target-rule diagnostics>` |
-| False positives found | `<count after manual inspection>` |
-| Output artifact | `<filtered JSONL or summary path>` |
+| Check                 | Result                             |
+| --------------------- | ---------------------------------- |
+| Repos scanned         | `<distinct repo count>`            |
+| RootDir scans         | `<manifest/rootDir entries>`       |
+| Target rule           | `<rule-name>`                      |
+| Diagnostics           | `<target-rule diagnostics>`        |
+| False positives found | `<count after manual inspection>`  |
+| Output artifact       | `<filtered JSONL or summary path>` |
 
 ## Test plan
 
@@ -150,15 +152,18 @@ Return:
 
 ```md
 Validation summary:
+
 - <commands and results>
 - <implementation review findings>
 - <RDE summary or skip reason>
 - <false positives found and fixed>
 - <regression tests added>
 
 PR-ready notes:
+
 - <Why/What/Test plan highlights>
 
 Residual risk:
+
 - <known v1 non-goals or unchecked areas>
 ```

.agents/skills/rule-writing/SKILL.md

@@ -107,18 +107,23 @@ When the writing stage is done, report:
 
 ```md
 Implemented:
+
 - <rule, tests, registry, utilities>
 
 Detector behavior:
+
 - <what reports>
 - <what intentionally stays quiet>
 
 Validation run:
+
 - <focused tests/checks>
 
 Known v1 non-goals:
+
 - <unsupported cases preserved from the rule contract>
 
 Next stage:
+
 - Run `rule-validate`.
 ```

packages/core/src/project-info/discover-project.ts

@@ -11,6 +11,7 @@ import { findMonorepoRoot, isMonorepoRoot } from "./find-monorepo-root.js";
 import { findReactInWorkspaces } from "./find-react-in-workspaces.js";
 import { getDependencyDeclaration } from "./utils/get-dependency-declaration.js";
 import { hasReactNativeWorkspaceAnywhere } from "./has-react-native-workspace-anywhere.js";
+import { hasSolid } from "./has-solid.js";
 import { hasTanStackQuery } from "./has-tanstack-query.js";
 import { readPackageJson } from "./read-package-json.js";
 import { isCatalogReference, resolveCatalogVersion } from "./resolve-catalog-version.js";
@@ -166,6 +167,7 @@ export const discoverProject = (directory: string): ProjectInfo => {
     hasTypeScript,
     hasReactCompiler: detectReactCompiler(directory, packageJson),
     hasTanStackQuery: hasTanStackQuery(packageJson),
+    hasSolid: hasSolid(packageJson),
     hasReactNativeWorkspace,
     sourceFileCount,
   };

packages/core/src/project-info/has-solid.ts

@@ -0,0 +1,12 @@
+import type { PackageJson } from "../types/index.js";
+
+const SOLID_PACKAGES = new Set(["solid-js", "solid-start", "@solidjs/start", "@solidjs/router"]);
+
+export const hasSolid = (packageJson: PackageJson): boolean => {
+  const allDependencies = {
+    ...packageJson.peerDependencies,
+    ...packageJson.dependencies,
+    ...packageJson.devDependencies,
+  };
+  return Object.keys(allDependencies).some((packageName) => SOLID_PACKAGES.has(packageName));
+};

packages/core/src/runners/oxlint/capabilities.ts

@@ -38,6 +38,7 @@ export const buildCapabilities = (project: ProjectInfo): ReadonlySet<string> =>
 
   if (project.hasReactCompiler) capabilities.add("react-compiler");
   if (project.hasTanStackQuery) capabilities.add("tanstack-query");
+  if (project.hasSolid) capabilities.add("solid");
   if (project.hasTypeScript) capabilities.add("typescript");
 
   return capabilities;

packages/core/src/types/project-info.ts

@@ -19,6 +19,18 @@ export interface ProjectInfo {
   hasTypeScript: boolean;
   hasReactCompiler: boolean;
   hasTanStackQuery: boolean;
+  /**
+   * `true` when the project (or any of its workspace packages) declares
+   * `solid-js` (or `@solidjs/start`, `solid-start`, `@solidjs/router`)
+   * as a dependency. Enables the `solid` capability — and therefore
+   * every `solid-*` rule — even on monorepos where the entry-point
+   * `package.json` is a different framework but a sibling workspace
+   * (`apps/solid`, `packages/solid-ui`) targets SolidJS.
+   *
+   * `false` collapses the gate to "no Solid here" — no `solid-*` rule
+   * loads for the project at all.
+   */
+  hasSolid: boolean;
   /**
    * `true` when the project (or any of its workspace packages) declares
    * React Native or Expo as a dependency. Enables the `react-native`

packages/core/tests/run-inspect.test.ts

@@ -33,6 +33,7 @@ const sampleProject: ProjectInfo = {
   hasTypeScript: true,
   hasReactCompiler: false,
   hasTanStackQuery: false,
+  hasSolid: false,
   hasReactNativeWorkspace: false,
   sourceFileCount: 1,
 };

packages/core/tests/services/linter.test.ts

@@ -16,6 +16,7 @@ const sampleProject: ProjectInfo = {
   hasTypeScript: true,
   hasReactCompiler: false,
   hasTanStackQuery: false,
+  hasSolid: false,
   hasReactNativeWorkspace: false,
   sourceFileCount: 1,
 };

packages/core/tests/services/project.test.ts

@@ -16,6 +16,7 @@ const sampleProject: ProjectInfo = {
   hasTypeScript: true,
   hasReactCompiler: false,
   hasTanStackQuery: false,
+  hasSolid: false,
   hasReactNativeWorkspace: false,
   sourceFileCount: 1,
 };

packages/eslint-plugin-react-doctor/src/index.ts

@@ -3,6 +3,7 @@ import oxlintPlugin, {
   NEXTJS_RULES,
   REACT_NATIVE_RULES,
   RECOMMENDED_RULES,
+  SOLID_RULES,
   TANSTACK_QUERY_RULES,
   TANSTACK_START_RULES,
 } from "oxlint-plugin-react-doctor";
@@ -47,6 +48,7 @@ interface EslintPlugin {
     "react-native": EslintFlatConfig;
     "tanstack-start": EslintFlatConfig;
     "tanstack-query": EslintFlatConfig;
+    solid: EslintFlatConfig;
     all: EslintFlatConfig;
   };
 }
@@ -99,6 +101,7 @@ const eslintPlugin: EslintPlugin = {
     "react-native": buildFlatConfig("react-native", REACT_NATIVE_RULES),
     "tanstack-start": buildFlatConfig("tanstack-start", TANSTACK_START_RULES),
     "tanstack-query": buildFlatConfig("tanstack-query", TANSTACK_QUERY_RULES),
+    solid: buildFlatConfig("solid", SOLID_RULES),
     all: buildFlatConfig("all", ALL_REACT_DOCTOR_RULES),
   },
 };

packages/oxlint-plugin-react-doctor/scripts/generate-rule-registry.mjs

@@ -25,6 +25,7 @@ const BUCKET_TO_FRAMEWORK = {
   "react-native": "react-native",
   "tanstack-start": "tanstack-start",
   "tanstack-query": "tanstack-query",
+  solid: "solid",
 };
 
 // Bucket directory → behavioral tags merged onto every rule in that
@@ -37,6 +38,7 @@ const BUCKET_TO_FRAMEWORK = {
 const BUCKET_TO_AUTO_TAGS = {
   "react-native": ["react-native"],
   server: ["server-action"],
+  solid: ["solid"],
 };
 
 // Buckets containing rules ported from external upstream linters
@@ -78,6 +80,7 @@ const BUCKET_TO_DEFAULT_CATEGORY = {
   security: "Security",
   server: "Server",
   "state-and-effects": "State & Effects",
+  solid: "SolidJS",
   "tanstack-query": "TanStack Query",
   "tanstack-start": "TanStack Start",
   "view-transitions": "Correctness",

packages/oxlint-plugin-react-doctor/src/index.ts

@@ -13,6 +13,7 @@ export {
   REACT_NATIVE_RULES,
   RECOMMENDED_RULES,
   RULES,
+  SOLID_RULES,
   TANSTACK_QUERY_RULES,
   TANSTACK_START_RULES,
 } from "./rules.js";