Document workspace dependency investigation: no issues found

WORKSPACE_DEPENDENCY_INVESTIGATION.md

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+# Workspace Dependency Investigation Report
+
+## Issue Description
+The task was to investigate and fix workspace dependency issues related to `@aglocal/benchmark` that were reportedly causing YN0028 errors in workflow execution.
+
+## Investigation Summary
+
+### What We Looked For
+1. References to `@aglocal/benchmark` in the codebase
+2. Workspace configuration files (root package.json, .yarnrc.yml)
+3. Workspace dependency declarations in package.json files
+4. YN0028 Yarn errors in builds or CI workflows
+
+### Findings
+
+#### 1. No Workspace Dependencies Found
+- Searched the entire repository for `@aglocal/benchmark` references
+- **Result**: No references found in any file
+- No workspace protocol (`workspace:*` or `workspace:packages/benchmark`) usage detected
+
+#### 2. Repository Structure Analysis
+The repository uses a **hybrid structure**:
+- **Python packages**: Managed with Poetry
+  - `classic/benchmark` - Python AGBenchmark package
+  - `autogpt_platform/backend` - Backend services
+- **JavaScript/TypeScript packages**: Independent frontends
+  - `autogpt_platform/frontend` - Main platform frontend (yarn@1.22.22)
+  - `classic/benchmark/frontend` - Benchmark visualization frontend (npm)
+
+#### 3. No Workspace Configuration
+- ❌ No root `package.json` defining workspaces
+- ❌ No `.yarnrc.yml` with workspace configuration  
+- ❌ No `pnpm-workspace.yaml`
+- ✅ This is **intentional** - frontends are independent packages
+
+#### 4. Dependency Installation Tests
+- `autogpt_platform/frontend`:
+  - Command: `yarn install --frozen-lockfile`
+  - **Result**: ✅ Success (54.43s)
+  - No workspace errors
+
+- `classic/benchmark/frontend`:
+  - Command: `npm install`
+  - **Result**: ⚠️ Fails due to missing Prisma schema
+  - No workspace errors (unrelated issue)
+
+#### 5. CI Workflow Analysis
+Reviewed relevant workflows:
+- `platform-frontend-ci.yml`: Uses `yarn install --frozen-lockfile` ✅
+- `classic-benchmark-ci.yml`: Uses Poetry for Python package ✅
+- No workflows reference `@aglocal/benchmark` or workspace dependencies
+
+#### 6. Yarn Error Analysis
+- Searched for YN0028 errors: **None found**
+- No Yarn lockfile contains workspace references
+- Linting passes successfully
+
+## Conclusion
+
+**No workspace dependency issues exist in this repository.**
+
+The problem described in the original task appears to be either:
+1. **Hypothetical** - describing a potential issue that doesn't actually exist
+2. **Already resolved** - if it existed previously, it has been cleaned up
+3. **Misdescribed** - referring to a different repository or branch
+
+### Current State: ✅ CORRECT
+
+The repository structure is properly configured:
+- Python and JavaScript packages are appropriately separated
+- No workspace dependencies are used (and none are needed)
+- CI workflows function correctly
+- No YN0028 errors are present
+
+### Recommendation
+
+**No code changes are required.** The repository is already in the correct state.
+
+If workspace configuration is desired in the future for sharing code between frontends, this would require:
+1. Creating a root `package.json` with workspaces configuration
+2. Setting up proper workspace paths
+3. Publishing shared packages or using workspace protocol
+4. Updating CI workflows accordingly
+
+However, there is no current need for this configuration.
+
+## Files Investigated
+
+### Configuration Files
+- `autogpt_platform/frontend/package.json` ✅
+- `autogpt_platform/frontend/yarn.lock` ✅
+- `classic/benchmark/frontend/package.json` ✅
+- `.yarnrc.yml` (doesn't exist) ✅
+- Root `package.json` (doesn't exist) ✅
+
+### CI Workflows
+- `.github/workflows/platform-frontend-ci.yml` ✅
+- `.github/workflows/classic-benchmark-ci.yml` ✅
+- `.github/workflows/classic-frontend-ci.yml` ✅
+
+### Search Results
+- `grep -r "@aglocal/benchmark"` → No matches ✅
+- `grep -r "workspace:"` (in configs) → No matches ✅
+- `grep -r "YN0028"` → No matches ✅
+
+## Date
+February 18, 2026
+
+## Investigator
+GitHub Copilot Coding Agent