diff --git a/.github/workflows/claude-issue-analysis.yml b/.github/workflows/claude-issue-analysis.yml
index 26af513..c0c8674 100644
--- a/.github/workflows/claude-issue-analysis.yml
+++ b/.github/workflows/claude-issue-analysis.yml
@@ -44,7 +44,6 @@ jobs:
         uses: anthropics/claude-code-action@a017b830c03e23789b11fb69ed571ea61c12e45c # v1.0.30
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
-          track_progress: true
           prompt: |
             Analyze this issue for the cc-plugin-eval TypeScript evaluation framework.
 
diff --git a/.github/workflows/claude-pr-review.yml b/.github/workflows/claude-pr-review.yml
index e63af6c..c933e0c 100644
--- a/.github/workflows/claude-pr-review.yml
+++ b/.github/workflows/claude-pr-review.yml
@@ -72,6 +72,7 @@ jobs:
             - `npm run typecheck` - TypeScript errors
             - `npm run lint` - ESLint issues
             - `npm run format:check` - Formatting
+            - `npm run knip` - Dead code detection
 
             ### Step 2: Review the Diff
             Run `gh pr diff ${{ github.event.pull_request.number }}` to see all changes.
@@ -120,4 +121,4 @@ jobs:
                - **Suggestions**: General improvements (not covered by inline comments)
 
             Be constructive. Focus on significant issues, not nitpicks.
-          claude_args: '--allowedTools "mcp__github_inline_comment__create_inline_comment,Bash(gh pr diff:*),Bash(gh pr view:*),Bash(gh pr comment:*),Bash(npm run typecheck),Bash(npm run lint),Bash(npm run format),Bash(npm run format:check),Bash(npm test),Bash(npm test:*),Read,Glob,Grep"'
+          claude_args: '--allowedTools "mcp__github_inline_comment__create_inline_comment,Bash(gh pr diff:*),Bash(gh pr view:*),Bash(gh pr comment:*),Bash(npm run typecheck),Bash(npm run lint),Bash(npm run format),Bash(npm run format:check),Bash(npm run knip),Bash(npm test),Bash(npm test:*),Read,Glob,Grep"'
diff --git a/CLAUDE.md b/CLAUDE.md
index 576353a..e771430 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -209,7 +209,7 @@ export async function fetchData(url: string) {
 
 **Refactoring types**: Use `find_referencing_symbols` on a type from `src/types/` to find all usages before making changes.
 
-**Tracing detection logic**: Detection is in `src/stages/4-evaluation/detection/`. The flow is `detectAllComponents` (in `core.ts`) → `detectFromCaptures` (in `capture-detection.ts`) → type-specific detectors (`agents.ts`, `commands.ts`, `hooks.ts`). Agent detection uses SubagentStart/SubagentStop hooks. Use `find_symbol` to navigate this chain.
+**Tracing detection logic**: Detection is in `src/stages/4-evaluation/detection/`. The flow is `detectAllComponents` (in `orchestrator.ts`) → `detectFromCaptures` (in `capture-detection.ts`) → type-specific detectors (`agents.ts`, `commands.ts`, `hooks.ts`). Agent detection uses SubagentStart/SubagentStop hooks. Use `find_symbol` to navigate this chain.
 
 **Adding a new component type**: Follow the type through all four stages using `find_referencing_symbols` on similar component types (e.g., trace how `hooks` is handled to understand where to add `mcp_servers`).
 
@@ -289,7 +289,7 @@ src/
 │       └── detection/    # Decomposed detection logic
 ├── state/                # Resume capability, checkpointing
 │   ├── index.ts          # State exports
-│   ├── core.ts           # Core state operations
+│   ├── operations.ts           # State CRUD operations
 │   ├── queries.ts        # State query utilities
 │   ├── updates.ts        # State update operations
 │   ├── display.ts        # State display formatting
@@ -312,15 +312,15 @@ When adding support for a new plugin component type (e.g., a new kind of trigger
 1. Define types in `src/types/`
 2. Create analyzer in `src/stages/1-analysis/`
 3. Create scenario generator in `src/stages/2-generation/`
-4. Add detector in `src/stages/4-evaluation/detection/` (create new file, add to `core.ts`)
+4. Add detector in `src/stages/4-evaluation/detection/` (create new file, add to \`orchestrator.ts\`)
 5. Update `AnalysisOutput` in `src/types/state.ts`
 6. Add to pipeline in `src/stages/{1,2,4}-*/index.ts`
-7. Add state migration in `src/state/core.ts` (provide defaults for legacy state)
+7. Add state migration in \`src/state/operations.ts\` (provide defaults for legacy state)
 8. Add tests
 
 ### State Migration
 
-When adding new component types, update `migrateState()` in `src/state/core.ts` to provide defaults (e.g., `hooks: legacyComponents.hooks ?? []`) so existing state files remain compatible.
+When adding new component types, update `migrateState()` in \`src/state/operations.ts\` to provide defaults (e.g., `hooks: legacyComponents.hooks ?? []`) so existing state files remain compatible.
 
 ### Resume Handlers
 
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 20454df..724fcde 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -55,7 +55,7 @@ src/
 │   └── 4-evaluation/     # Programmatic detection, LLM judge, metrics
 │       └── detection/    # Decomposed detection logic
 ├── state/                # Resume capability, checkpointing
-│   ├── core.ts           # Core state operations
+│   ├── operations.ts           # State CRUD operations
 │   ├── queries.ts        # State query utilities
 │   └── updates.ts        # State update operations
 ├── types/                # TypeScript interfaces
diff --git a/README.md b/README.md
index 902e6a1..85c4b2b 100644
--- a/README.md
+++ b/README.md
@@ -476,7 +476,7 @@ src/
 │       ├── aggregation/  # Result aggregation utilities
 │       └── detection/    # Programmatic detection
 │           ├── index.ts  # Detection entry point
-│           ├── core.ts   # Core detection logic
+│           ├── orchestrator.ts   # Detection orchestration
 │           ├── agents.ts # Agent detection
 │           ├── commands.ts # Command detection
 │           ├── hooks.ts  # Hook detection
@@ -486,7 +486,7 @@ src/
 │           └── types.ts
 ├── state/                # Resume capability
 │   ├── index.ts          # State exports
-│   ├── core.ts           # Core state operations
+│   ├── operations.ts           # State CRUD operations
 │   ├── queries.ts        # State query utilities
 │   ├── updates.ts        # State update operations
 │   ├── display.ts        # State display formatting
diff --git a/knip.json b/knip.json
index 999c906..d19dda4 100644
--- a/knip.json
+++ b/knip.json
@@ -5,6 +5,7 @@
   "ignore": ["dist/**", "coverage/**", "node_modules/**"],
   "ignoreDependencies": [],
   "ignoreExportsUsedInFile": true,
+  "tags": ["-internal"],
   "vitest": {
     "entry": ["tests/**/*.test.ts", "tests/**/*.spec.ts", "vitest.config.ts"],
     "project": ["tests/**/*.ts"]
diff --git a/src/config/index.ts b/src/config/index.ts
index d3788b1..8d1b54a 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -21,7 +21,6 @@ export {
   ExecutionConfigSchema,
   EvaluationConfigSchema,
   OutputConfigSchema,
-  type ValidatedEvalConfig,
 } from "./schema.js";
 
 export {
diff --git a/src/config/schema.ts b/src/config/schema.ts
index f67dee3..ad5f876 100644
--- a/src/config/schema.ts
+++ b/src/config/schema.ts
@@ -314,8 +314,3 @@ export const EvalConfigSchema = z.object({
   verbose: z.boolean().default(false),
   max_concurrent: z.number().int().min(1).max(50).default(10),
 });
-
-/**
- * Type inference from schema.
- */
-export type ValidatedEvalConfig = z.infer<typeof EvalConfigSchema>;
diff --git a/src/stages/4-evaluation/detection/index.ts b/src/stages/4-evaluation/detection/index.ts
index 88a874f..90ec5cd 100644
--- a/src/stages/4-evaluation/detection/index.ts
+++ b/src/stages/4-evaluation/detection/index.ts
@@ -8,7 +8,10 @@
  */
 
 // Core detection functions
-export { detectAllComponents, detectAllComponentsWithHooks } from "./core.js";
+export {
+  detectAllComponents,
+  detectAllComponentsWithHooks,
+} from "./orchestrator.js";
 
 // Capture-based detection
 export {
diff --git a/src/stages/4-evaluation/detection/core.ts b/src/stages/4-evaluation/detection/orchestrator.ts
similarity index 98%
rename from src/stages/4-evaluation/detection/core.ts
rename to src/stages/4-evaluation/detection/orchestrator.ts
index c6e5991..532f0fa 100644
--- a/src/stages/4-evaluation/detection/core.ts
+++ b/src/stages/4-evaluation/detection/orchestrator.ts
@@ -1,5 +1,5 @@
 /**
- * Core Detection - Main detection orchestration.
+ * Detection orchestration - Main detection entry points.
  *
  * Provides the main entry points for component detection, combining
  * all detection methods with proper priority ordering.
diff --git a/src/state/index.ts b/src/state/index.ts
index 4987d31..28b9ebd 100644
--- a/src/state/index.ts
+++ b/src/state/index.ts
@@ -12,7 +12,7 @@
  *
  * This module re-exports all state management functionality from focused submodules:
  * - types: Shared type definitions (PipelineState, PipelineStage, etc.)
- * - core: CRUD operations (create, save, load, paths)
+ * - operations: CRUD operations (create, save, load, paths)
  * - updates: State update functions (updateStateAfter*, etc.)
  * - queries: Query helpers (canResumeFrom, get*Scenarios, etc.)
  * - display: Formatting and listing (formatState, listRuns)
@@ -23,7 +23,6 @@ export type {
   CreateRunOptions,
   PipelineStage,
   PipelineState,
-  ResumeOptions,
 } from "./types.js";
 
 // Re-export core operations
@@ -34,7 +33,7 @@ export {
   getStateFilePath,
   loadState,
   saveState,
-} from "./core.js";
+} from "./operations.js";
 
 // Re-export update operations
 export {
diff --git a/src/state/core.ts b/src/state/operations.ts
similarity index 99%
rename from src/state/core.ts
rename to src/state/operations.ts
index b181c43..ec67b4d 100644
--- a/src/state/core.ts
+++ b/src/state/operations.ts
@@ -1,5 +1,5 @@
 /**
- * Core state management operations.
+ * State CRUD operations.
  *
  * Handles CRUD operations (create, save, load) and state file management.
  * All functions in this module are pure or have clearly documented side effects.
diff --git a/src/state/types.ts b/src/state/types.ts
index bdf246c..ac4b44a 100644
--- a/src/state/types.ts
+++ b/src/state/types.ts
@@ -77,11 +77,3 @@ export interface CreateRunOptions {
   config: EvalConfig;
   runId?: string;
 }
-
-/**
- * Options for resuming a pipeline run.
- */
-export interface ResumeOptions {
-  runId: string;
-  fromStage?: PipelineStage;
-}