feat: bring model-enrichment-capabilities up to speed with main

.opencode/config.json

@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    {
+      "name": "opencode-omniroute-auth",
+      "path": "/Users/alpha/git/opencode-omniroute-auth"
+    }
+  ]
+}

.opencode/opencode.json

@@ -0,0 +1,6 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "plugin": [
+    "list"
+  ]
+}

CHANGELOG.md

@@ -2,6 +2,43 @@
 
 All notable changes to this project are documented in this file.
 
+## [1.2.0] - 2026-05-17
+
+### Added
+
+- **Comprehensive Model Metadata Normalization** — `normalizeModel()` now reads all OmniRoute field variants with proper precedence:
+  - camelCase fields (e.g., `contextWindow`, `supportsVision`)
+  - snake_case fields (e.g., `context_length`, `max_output_tokens`)
+  - capabilities object (e.g., `capabilities.vision`, `capabilities.tool_calling`)
+  - Precedence: camelCase > snake_case > capabilities object
+- **Provider Alias Deduplication** — Generic deduplication system that groups alias and canonical model entries:
+  - Added `PROVIDER_ALIAS_TO_CANONICAL` mapping for known aliases (`cx` → `codex`, `ollamacloud` → `ollama-cloud`, etc.)
+  - Added `deduplicateModels()` function that prefers canonical IDs and merges alias metadata
+  - Added `resolveProviderAliasForMetadata()` and `isProviderAlias()` helpers
+  - Only deduplicates known aliases; unknown provider prefixes are preserved as-is
+- **Model Capability Enrichment** — Extended `OmniRouteModel` interface with native OmniRoute fields:
+  - snake_case context limits: `context_length`, `max_input_tokens`, `max_output_tokens`
+  - Top-level capability flags: `vision`, `tool_calling`
+  - capabilities object: `vision`, `tool_calling`, `reasoning`, `thinking`, `attachment`, `temperature`
+- **Array-based Metadata Validation** — User-provided `modelMetadata` array blocks are now validated with warning logs for invalid entries
+- **4 New Test Cases** covering normalization precedence, snake_case field reading, and deduplication behavior
+
+### Changed
+
+- **Array Metadata Merge Precedence** — In array-based `modelMetadata`, user config now comes before generated blocks to ensure user overrides take precedence in first-match-wins systems
+- **Metadata Key Canonicalization** — User metadata with alias keys (e.g., `cx/gpt-5.5`) is merged into canonical keys (e.g., `codex/gpt-5.5`) to match deduplicated model IDs
+- **Unknown Prefix Handling** — Unknown provider prefixes now merge metadata instead of overwriting, preserving all available metadata
+
+### Fixed
+
+- **Dead Code Removal** — Eliminated unreachable `isAlias` check in deduplication logic
+- **Alias Metadata Loss** — Alias metadata is now merged into canonical entries instead of being dropped
+- **Review Feedback** — Addressed all gemini-code-assist review comments from PR #20:
+  - Fixed array-based metadata merge precedence (userConfig first)
+  - Added validation for array-based user metadata blocks
+  - Fixed metadata merging for unknown provider prefixes
+  - Simplified deduplication logic and merged alias metadata into canonical
+
 ## [1.1.4] - 2026-05-15
 
 ### Added

README.md

@@ -10,10 +10,20 @@
 - ✅ **Provider Auto-Registration** - Registers an `omniroute` provider via plugin hooks
 - ✅ **Model Caching** - Intelligent caching with TTL for better performance
 - ✅ **Fallback Models** - Default models when API is unavailable
+- ✅ **Model Metadata Normalization** - Reads all OmniRoute field variants (camelCase, snake_case, capabilities object) with proper precedence
+- ✅ **Provider Alias Deduplication** - Automatically deduplicates alias/canonical model entries (e.g., `cx/gpt-5.5` → `codex/gpt-5.5`)
 - ✅ **Combo Model Capability Enrichment** - Automatically calculates lowest common capabilities for OmniRoute combo models
+- ✅ **models.dev Enrichment** - Enriches model metadata from models.dev API with provider alias resolution
+- ✅ **Subscription Provider Fallback** - Falls back to public providers for subscription-based models
+- ✅ **Model Variant Support** - Automatically strips reasoning effort suffixes (e.g., `gpt-5.5-xhigh` → `gpt-5.5`) for lookup
+- ✅ **Secure Logging** - Sanitized log output with async file I/O to prevent event loop blocking
 
 ## Installation
 
+```bash
+npm install opencode-omniroute-auth
+```
+
 ## Quick Start
 
 ### 1. Add plugin to opencode config
@@ -276,6 +286,21 @@ interface OmniRouteModel {
   supportsStreaming?: boolean;
   supportsVision?: boolean;
   supportsTools?: boolean;
+  supportsTemperature?: boolean;
+  supportsReasoning?: boolean;
+  supportsAttachment?: boolean;
+  // OmniRoute native fields (normalized automatically)
+  context_length?: number;
+  max_input_tokens?: number;
+  max_output_tokens?: number;
+  capabilities?: {
+    vision?: boolean;
+    tool_calling?: boolean;
+    reasoning?: boolean;
+    thinking?: boolean;
+    attachment?: boolean;
+    temperature?: boolean;
+  };
   pricing?: {
     input?: number;
     output?: number;
@@ -290,14 +315,14 @@ import {
   fetchModels,
   clearModelCache,
   refreshModels,
-  // New: Combo model utilities
+  // Combo model utilities
   clearComboCache,
   fetchComboData,
   resolveUnderlyingModels,
   calculateModelCapabilities,
 } from 'opencode-omniroute-auth/runtime';
 
-// Fetch models manually (with automatic enrichment)
+// Fetch models manually (with automatic normalization and enrichment)
 const models = await fetchModels(config, apiKey);
 
 // Clear model cache (also clears combo cache)
@@ -311,21 +336,6 @@ const combos = await fetchComboData(config);
 const underlyingModels = await resolveUnderlyingModels('Designer', config);
 const capabilities = await calculateModelCapabilities(model, config, modelsDevIndex);
 ```
-import {
-  fetchModels,
-  clearModelCache,
-  refreshModels,
-} from 'opencode-omniroute-auth/runtime';
-
-// Fetch models manually
-const models = await fetchModels(config, apiKey);
-
-// Clear model cache
-clearModelCache();
-
-// Force refresh models
-const freshModels = await refreshModels(config, apiKey);
-```
 
 ## Development
 
@@ -385,3 +395,7 @@ Contributions are welcome! Please feel free to submit a Pull Request.
 ## Support
 
 For support, please open an issue on GitHub or contact OmniRoute support.
+
+## Star History
+
+[![Star History Chart](https://api.star-history.com/svg?repos=Alph4d0g/opencode-omniroute-auth&type=Date)](https://star-history.com/#Alph4d0g/opencode-omniroute-auth&Date)