refactor: remove package-level caching to support dynamic installation
Remove package-level caching in cnr_utils and node_package modules to enable proper dynamic custom node installation and version switching without ComfyUI server restarts. Key Changes: - Remove @lru_cache decorators from version-sensitive functions - Remove cached_property from NodePackage for dynamic state updates - Add comprehensive test suite with parallel execution support - Implement version switching tests (CNR ↔ Nightly) - Add case sensitivity integration tests - Improve error handling and logging API Priority Rules (manager_core.py:1801): - Enabled-Priority: Show only enabled version when both exist - CNR-Priority: Show only CNR when both CNR and Nightly are disabled - Prevents duplicate package entries in /v2/customnode/installed API - Cross-match using cnr_id and aux_id for CNR ↔ Nightly detection Test Infrastructure: - 8 test files with 59 comprehensive test cases - Parallel test execution across 5 isolated environments - Automated test scripts with environment setup - Configurable timeout (60 minutes default) - Support for both master and dr-support-pip-cm branches Bug Fixes: - Fix COMFYUI_CUSTOM_NODES_PATH environment variable export - Resolve test fixture regression with module-level variables - Fix import timing issues in test configuration - Register pytest integration marker to eliminate warnings - Fix POSIX compliance in shell scripts (((var++)) → $((var + 1))) Documentation: - CNR_VERSION_MANAGEMENT_DESIGN.md v1.0 → v1.1 with API priority rules - Add test guides and execution documentation (TESTING_PROMPT.md) - Add security-enhanced installation guide - Create CLI migration guides and references - Document package version management 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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docs/internal/CNR_VERSION_MANAGEMENT_DESIGN.md
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docs/internal/CNR_VERSION_MANAGEMENT_DESIGN.md
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# CNR Version Management Design
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**Version**: 1.1
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**Date**: 2025-11-08
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**Status**: Official Design Policy
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## Overview
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This document describes the official design policy for CNR (ComfyUI Node Registry) version management in ComfyUI Manager.
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## Core Design Principles
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### 1. In-Place Upgrade Policy
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**Policy**: CNR upgrades are performed as **in-place replacements** without version history preservation.
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**Rationale**:
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- **Simplicity**: Single version management is easier for users and maintainers
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- **Disk Space**: Prevents accumulation of old package versions
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- **Clear State**: Users always know which version is active
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- **Consistency**: Same behavior for enabled and disabled states
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**Behavior**:
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```
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Before: custom_nodes/PackageName/ (CNR v1.0.1 with .tracking)
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Action: Install CNR v1.0.2
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After: custom_nodes/PackageName/ (CNR v1.0.2 with .tracking)
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Result: Old v1.0.1 REMOVED (not preserved)
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```
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### 2. Single CNR Version Policy
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**Policy**: Only **ONE CNR version** exists at any given time (either enabled OR disabled, never both).
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**Rationale**:
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- **State Clarity**: No ambiguity about which CNR version is current
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- **Resource Management**: Minimal disk usage
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- **User Experience**: Clear version state without confusion
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- **Design Consistency**: Uniform handling across operations
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**States**:
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- **Enabled**: `custom_nodes/PackageName/` (with `.tracking`)
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- **Disabled**: `.disabled/packagename@version/` (with `.tracking`)
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- **Never**: Multiple CNR versions coexisting
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### 3. CNR vs Nightly Differentiation
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**Policy**: Different handling for CNR and Nightly packages based on use cases.
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| Aspect | CNR Packages (`.tracking`) | Nightly Packages (`.git`) |
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|--------|----------------------------|---------------------------|
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| **Purpose** | Stable releases | Development versions |
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| **Preservation** | Not preserved (in-place upgrade) | Preserved (multiple versions) |
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| **Version Policy** | Single version only | Multiple versions allowed |
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| **Use Case** | Production use | Testing and development |
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**Rationale**:
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- **CNR**: Stable releases don't need version history; users want single stable version
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- **Nightly**: Development versions benefit from multiple versions for testing
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### 4. API Response Priority Rules
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**Policy**: The `/v2/customnode/installed` API applies two priority rules to prevent duplicate package entries and ensure clear state representation.
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**Rule 1 (Enabled-Priority)**:
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- **Policy**: When both enabled and disabled versions of the same package exist → Return ONLY the enabled version
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- **Rationale**: Prevents frontend confusion from duplicate package entries
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- **Implementation**: `comfyui_manager/glob/manager_core.py:1801` in `get_installed_nodepacks()`
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**Rule 2 (CNR-Priority for Disabled Packages)**:
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- **Policy**: When both CNR and Nightly versions are disabled → Return ONLY the CNR version
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- **Rationale**: CNR versions are stable releases and should be preferred over development Nightly builds when both are inactive
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- **Implementation**: `comfyui_manager/glob/manager_core.py:1801` in `get_installed_nodepacks()`
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**Priority Matrix**:
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| Scenario | Enabled Versions | Disabled Versions | API Response |
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|----------|------------------|-------------------|--------------|
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| 1. CNR enabled only | CNR v1.0.1 | None | CNR v1.0.1 (`enabled: true`) |
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| 2. CNR enabled + Nightly disabled | CNR v1.0.1 | Nightly | **Only CNR v1.0.1** (`enabled: true`) ← Rule 1 |
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| 3. Nightly enabled + CNR disabled | Nightly | CNR v1.0.1 | **Only Nightly** (`enabled: true`) ← Rule 1 |
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| 4. CNR disabled + Nightly disabled | None | CNR v1.0.1, Nightly | **Only CNR v1.0.1** (`enabled: false`) ← Rule 2 |
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| 5. Different packages disabled | None | PackageA, PackageB | Both packages (`enabled: false`) |
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**Test Coverage**:
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- `tests/glob/test_installed_api_enabled_priority.py`
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- `test_installed_api_shows_only_enabled_when_both_exist` - Verifies Rule 1
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- `test_installed_api_cnr_priority_when_both_disabled` - Verifies Rule 2
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## Detailed Behavior Specifications
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### CNR Upgrade (Enabled → Enabled)
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**Scenario**: Upgrading from CNR v1.0.1 to v1.0.2 when v1.0.1 is enabled
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```
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Initial State:
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custom_nodes/PackageName/ (CNR v1.0.1 with .tracking)
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Action:
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Install CNR v1.0.2
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Process:
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1. Download CNR v1.0.2
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2. Remove existing custom_nodes/PackageName/
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3. Install CNR v1.0.2 to custom_nodes/PackageName/
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4. Create .tracking file
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Final State:
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custom_nodes/PackageName/ (CNR v1.0.2 with .tracking)
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Result:
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✓ v1.0.2 installed and enabled
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✓ v1.0.1 completely removed
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✓ No version history preserved
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```
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### CNR Switch from Disabled
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**Scenario**: Switching from disabled CNR v1.0.1 to CNR v1.0.2
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```
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Initial State:
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custom_nodes/PackageName/ (Nightly with .git)
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.disabled/packagename@1_0_1/ (CNR v1.0.1 with .tracking)
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User Action:
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Install CNR v1.0.2
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Process:
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Step 1: Enable disabled CNR v1.0.1
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- Move .disabled/packagename@1_0_1/ → custom_nodes/PackageName/
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- Move custom_nodes/PackageName/ → .disabled/packagename@nightly/
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Step 2: Upgrade CNR v1.0.1 → v1.0.2 (in-place)
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- Download CNR v1.0.2
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- Remove custom_nodes/PackageName/
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- Install CNR v1.0.2 to custom_nodes/PackageName/
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Final State:
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custom_nodes/PackageName/ (CNR v1.0.2 with .tracking)
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.disabled/packagename@nightly/ (Nightly preserved)
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Result:
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✓ CNR v1.0.2 installed and enabled
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✓ CNR v1.0.1 removed (not preserved in .disabled/)
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✓ Nightly preserved in .disabled/
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```
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### CNR Disable
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**Scenario**: Disabling CNR v1.0.1 when Nightly exists
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```
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Initial State:
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custom_nodes/PackageName/ (CNR v1.0.1 with .tracking)
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Action:
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Disable CNR v1.0.1
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Final State:
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.disabled/packagename@1_0_1/ (CNR v1.0.1 with .tracking)
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Note:
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- Only ONE disabled CNR version exists
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- If another CNR is already disabled, it is replaced
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```
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### Nightly Installation (with CNR Disabled)
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**Scenario**: Installing Nightly when CNR v1.0.1 is disabled
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```
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Initial State:
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.disabled/packagename@1_0_1/ (CNR v1.0.1 with .tracking)
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Action:
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Install Nightly
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Final State:
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custom_nodes/PackageName/ (Nightly with .git)
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.disabled/packagename@1_0_1/ (CNR v1.0.1 preserved)
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Result:
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✓ Nightly installed and enabled
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✓ Disabled CNR v1.0.1 preserved (not removed)
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✓ Different handling for Nightly vs CNR
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```
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## Implementation Requirements
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### CNR Install/Upgrade Operation
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1. **Check for existing CNR versions**:
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- Enabled: `custom_nodes/PackageName/` with `.tracking`
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- Disabled: `.disabled/*` with `.tracking`
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2. **Remove old CNR versions**:
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- If enabled CNR exists: Remove it
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- If disabled CNR exists: Remove it
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- Ensure only ONE CNR version will exist after operation
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3. **Install new CNR version**:
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- Download and extract to target location
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- Create `.tracking` file
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- Register in package database
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4. **Preserve Nightly packages**:
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- Do NOT remove packages with `.git` directory
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- Nightly packages should be preserved in `.disabled/`
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### CNR Disable Operation
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1. **Move enabled CNR to disabled**:
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- Move `custom_nodes/PackageName/` → `.disabled/packagename@version/`
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- Use **installed version** for directory name (not registry latest)
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2. **Remove any existing disabled CNR**:
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- Only ONE disabled CNR version allowed
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- If another CNR already in `.disabled/`, remove it first
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3. **Preserve disabled Nightly**:
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- Do NOT remove disabled Nightly packages
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- Multiple Nightly versions can coexist in `.disabled/`
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### CNR Enable Operation
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1. **Check for enabled package**:
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- If another package enabled, disable it first
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2. **Move disabled CNR to enabled**:
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- Move `.disabled/packagename@version/` → `custom_nodes/PackageName/`
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3. **Maintain single CNR policy**:
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- After enable, no CNR should remain in `.disabled/`
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- Only Nightly packages should remain in `.disabled/`
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## Test Coverage
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### Phase 7: Version Management Behavior Tests
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**Test 7.1: `test_cnr_version_upgrade_removes_old`**
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- ✅ Verifies in-place upgrade removes old CNR version
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- ✅ Confirms only one CNR version exists after upgrade
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- ✅ Documents single version policy
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**Test 7.2: `test_cnr_nightly_switching_preserves_nightly_only`**
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- ✅ Verifies Nightly preservation across CNR upgrades
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- ✅ Confirms old CNR versions removed (not preserved)
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- ✅ Documents different handling for CNR vs Nightly
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### Other Relevant Tests
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**Phase 1-6 Tests**:
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- ✅ All tests comply with single CNR version policy
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- ✅ No tests assume multiple CNR versions coexist
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- ✅ Fixtures properly handle CNR vs Nightly differences
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## Known Behaviors
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### Correct Behaviors (By Design)
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1. **CNR Upgrades Remove Old Versions**
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- Status: ✅ Intentional design
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- Reason: In-place upgrade policy
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- Test: Phase 7.1 verifies this
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2. **Only One CNR Version Exists**
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- Status: ✅ Intentional design
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- Reason: Single version policy
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- Test: Phase 7.2 verifies this
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3. **Nightly Preserved, CNR Not**
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- Status: ✅ Intentional design
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- Reason: Different use cases
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- Test: Phase 7.2 verifies this
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### Known Issues
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1. **Disable API Version Mismatch**
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- Status: ⚠️ Bug to be fixed
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- Issue: Disabled directory name uses registry latest instead of installed version
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- Impact: Incorrect directory naming
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- Priority: Medium
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## Design Rationale
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### Why In-Place Upgrade?
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**Benefits**:
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- Simple mental model for users
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- No disk space accumulation
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- Clear version state
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- Easier maintenance
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**Trade-offs**:
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- No automatic rollback capability
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- Users must reinstall old versions from registry
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- Network required for version downgrades
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**Decision**: Benefits outweigh trade-offs for stable release management.
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### Why Different CNR vs Nightly Handling?
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**CNR (Stable Releases)**:
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- Users want single stable version
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- Production use case
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- Rollback via registry if needed
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**Nightly (Development Builds)**:
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- Developers test multiple versions
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- Development use case
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- Local version testing important
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**Decision**: Different use cases justify different policies.
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## Future Considerations
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### Potential Enhancements (Not Currently Planned)
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1. **Optional Version History**
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- Configurable preservation of last N versions
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- Opt-in via configuration flag
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- Separate history directory
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2. **CNR Rollback API**
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- Dedicated rollback endpoint
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- Re-download from registry
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- Preserve current version before downgrade
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3. **Version Pinning**
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- Pin specific CNR version
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- Prevent automatic upgrades
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- Per-package configuration
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**Note**: These are potential future enhancements, not current requirements.
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## Version History
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| Version | Date | Changes |
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|---------|------|---------|
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| 1.1 | 2025-11-08 | Added API Response Priority Rules (Rule 1: Enabled-Priority, Rule 2: CNR-Priority) |
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| 1.0 | 2025-11-06 | Initial design document based on user clarification |
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## References
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- Phase 7 Test Implementation: `tests/glob/test_complex_scenarios.py`
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- Policy Clarification: `.claude/livecontext/cnr_version_policy_clarification.md`
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- Bug Report: `.claude/livecontext/bugs_to_file.md`
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---
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**Approved By**: User feedback 2025-11-06
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**Status**: Official Policy
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**Compliance**: All tests verified against this policy
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