feat: Tool Compression MCP server for Phase 8

MCP server providing compressed versions of Read/Grep/Glob:
- compressed_read: removes comments, blanks, collapses imports
- compressed_grep: groups by file, dedupes adjacent matches
- compressed_glob: collapses directories, shows type distribution

Test results: 66.7% compression on sample file

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

dist/compressors/grep.d.ts

@@ -0,0 +1,24 @@
+/**
+ * Grep Compressor - Compress search results while preserving essential matches
+ *
+ * Strategies:
+ * - Group by file
+ * - Show first N matches per file + count
+ * - Dedupe similar/adjacent matches
+ * - Prioritize exact matches
+ */
+interface CompressOptions {
+    maxMatchesPerFile?: number;
+    maxTotalMatches?: number;
+    dedupeAdjacent?: boolean;
+    showCounts?: boolean;
+}
+interface CompressResult {
+    content: string;
+    originalMatches: number;
+    compressedMatches: number;
+    filesMatched: number;
+    savings: string;
+}
+export declare function compressGrep(output: string, options?: CompressOptions): CompressResult;
+export {};