docs: update roadmap and todo

ROADMAP.md

@@ -306,6 +306,29 @@ PPF (Proxy Fetcher) is a Python 2 proxy scraping and validation framework design
 - [x] SQLite ANALYZE/VACUUM functions for query optimization
 - [x] Lightweight design: client-side polling, minimal DOM updates
 
+### Dashboard Enhancements v3 (Done)
+- [x] Electric cyan theme with translucent glass-morphism effects
+- [x] Unified wrapper styling (.chart-wrap, .histo-wrap, .stats-wrap, .lb-wrap, .pie-wrap)
+- [x] Consistent backdrop-filter blur and electric glow borders
+- [x] Tor Exit Nodes cards with hover effects (.tor-card)
+- [x] Lighter background/tile color scheme (#1e2738 bg, #181f2a card)
+- [x] Map endpoint restyled to match dashboard (electric cyan theme)
+- [x] Map markers updated from gold to cyan for approximate locations
+
+### Memory Profiling & Analysis (Done)
+- [x] /api/memory endpoint with comprehensive memory stats
+- [x] objgraph integration for object type counting
+- [x] pympler integration for memory summaries
+- [x] Memory sample history tracking (RSS over time)
+- [x] Process memory from /proc/self/status (VmRSS, VmPeak, VmData, etc.)
+- [x] GC statistics (collections, objects, thresholds)
+
+### MITM Detection Optimization (Done)
+- [x] MITM re-test skip optimization - avoid redundant SSL checks for known MITM proxies
+- [x] mitm_retest_skipped stats counter for tracking optimization effectiveness
+- [x] Content hash deduplication for stale proxy list detection
+- [x] stale_count reset when content hash changes
+
 ---
 
 ## Technical Debt