feat(condense): Provider-Based Context Condensation Architecture

.changeset/context-condensation-providers.md

@@ -0,0 +1,43 @@
+---
+"roo-cline": minor
+---
+
+Add provider-based context condensation system with 4 strategies and UI integration
+
+This major feature introduces a flexible, extensible provider-based architecture for context condensation, offering 4 distinct strategies:
+
+- **Native Provider**: Backward-compatible wrapper of existing system (LLM-based summarization)
+- **Lossless Provider**: Zero information loss via deduplication (40-60% reduction, $0 cost, <100ms)
+- **Truncation Provider**: Fast mechanical truncation (70-85% reduction, <10ms, $0 cost)
+- **Smart Provider**: Intelligent multi-pass condensation with 3 configurable presets (60-95% reduction, variable cost)
+
+**UI Integration:**
+
+- New CondensationProviderSettings component in Settings panel
+- Provider selection dropdown with real-time validation
+- Smart Provider preset configuration (CONSERVATIVE, BALANCED, AGGRESSIVE)
+- Complete internationalization support (9 languages)
+
+**Architecture:**
+
+- Template Method pattern for consistent provider behavior
+- Registry pattern for provider management
+- Singleton pattern for centralized configuration
+- Provider (Strategy) pattern for interchangeable algorithms
+
+**Testing:**
+
+- 110+ backend tests (100% passing)
+- 45 UI tests (100% passing)
+- 7 real-world conversation fixtures
+- Complete integration coverage
+
+**Documentation:**
+
+- 8,000+ lines of technical documentation
+- Architecture guides, ADRs, contributing guides
+- Provider-specific documentation
+
+**Breaking Changes:** None - Native Provider ensures 100% backward compatibility
+
+**Performance:** All providers tested with real-world data, metrics tracking built-in

.vscode/settings.json

@@ -10,5 +10,13 @@
 	},
 	// Turn off tsc task auto detection since we have the necessary tasks as npm scripts
 	"typescript.tsc.autoDetect": "off",
-	"vitest.disableWorkspaceWarning": true
+	"vitest.disableWorkspaceWarning": true,
+	// Fix for preLaunchTask with PowerShell 7 (Issue #241255)
+	// Use Windows PowerShell for automation tasks instead of pwsh.exe
+	// See: docs/guides/vscode-extension-debug-powershell-configuration.md
+	// FIXED: Removed args ["-Command"] to prevent double -Command error
+	// VSCode automatically adds -Command to tasks, so we don't specify it
+	"terminal.integrated.automationProfile.windows": {
+		"path": "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe"
+	}
 }

apps/vscode-e2e/src/types/global.d.ts

@@ -1,7 +1,6 @@
 import type { RooCodeAPI } from "@roo-code/types"
 
 declare global {
-	// eslint-disable-next-line no-var
 	var api: RooCodeAPI
 }
 

apps/web-evals/next-env.d.ts

@@ -1,5 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
+/// <reference path="./.next/types/routes.d.ts" />
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

packages/types/src/global-settings.ts

@@ -49,6 +49,12 @@ export const globalSettingsSchema = z.object({
 
 	condensingApiConfigId: z.string().optional(),
 	customCondensingPrompt: z.string().optional(),
+	smartProviderSettings: z
+		.object({
+			preset: z.enum(["conservative", "balanced", "aggressive"]),
+			customConfig: z.string().optional(),
+		})
+		.optional(),
 
 	autoApprovalEnabled: z.boolean().optional(),
 	alwaysAllowReadOnly: z.boolean().optional(),