feat: Modern styling, draw.io integration, and C4 architecture docs
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Styling: - Dark-first design (Vercel/Linear inspired) with Geist font - Custom CSS with full --ifm- token overrides - Glassmorphic navbar, refined sidebar, modern tables - Gradient hero with animated glow, app cards, C4 section - Custom badge, tag, and callout components - Announcement bar, TOC config, dark scrollbar draw.io: - Added docusaurus-plugin-drawio + raw-loader - SMP full pipeline diagram (smp-pipeline.drawio) - Embedded in architecture overview Mermaid: - Added @docusaurus/theme-mermaid - C4Context, C4Container, C4Component diagrams - Sequence and graph diagrams in architecture C4 Architecture (Stock Market Professional): - L1 Context: system in the world, actors, external systems - L2 Containers: Data Ingestor, Analysis Engine, Signal Generator, TimescaleDB, Notifier - L3 Components: deep component breakdown with mermaid C4Component diagrams Other: - Sidebar restructured with C4 section and Modules section - Homepage rebuilt as modern dark landing page
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sidebar_position: 3
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---
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# L3 — Components
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> **C4 Level 3**: Zooms into the key containers and shows their internal modules, classes, and responsibilities.
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:::info C4 Model — Level 3
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The Component diagram answers: *What are the major structural elements inside each container?*
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:::
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## Analysis Engine — Component Diagram
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```mermaid
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C4Component
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title Components — Analysis Engine
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Container_Ext(tsdb, "Market Data Store", "SQLite / TimescaleDB", "OHLCV candles")
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Container_Ext(signalGen, "Signal Generator", "Python", "Consumes indicator snapshots")
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Container_Boundary(analyser, "Analysis Engine") {
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Component(candleLoader, "Candle Loader", "pandas", "Loads recent OHLCV windows from DB for each symbol and timeframe.")
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Component(trendEngine, "Trend Engine", "pandas-ta", "Computes EMA, MACD, ADX, Parabolic SAR.")
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Component(momentumEngine, "Momentum Engine", "pandas-ta", "Computes RSI, Stochastic, CCI, Williams %R.")
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Component(volatilityEngine, "Volatility Engine", "pandas-ta", "Computes Bollinger Bands, ATR, Keltner Channels.")
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Component(volumeEngine, "Volume Engine", "pandas-ta", "Computes VWAP, OBV, Volume Profile.")
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Component(patternRecog, "Pattern Recogniser", "ta-lib / custom", "Detects candlestick and chart patterns.")
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Component(confluenceScorer, "Confluence Scorer", "Python", "Weights and combines indicator signals into a 0–1 confluence score.")
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Component(snapshotWriter, "Snapshot Writer", "pandas / SQLAlchemy", "Persists indicator snapshots to DB for the signal generator.")
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}
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Rel(candleLoader, tsdb, "Reads OHLCV", "SQL")
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Rel(trendEngine, candleLoader, "Reads candle frame")
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Rel(momentumEngine, candleLoader, "Reads candle frame")
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Rel(volatilityEngine, candleLoader, "Reads candle frame")
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Rel(volumeEngine, candleLoader, "Reads candle frame")
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Rel(patternRecog, candleLoader, "Reads candle frame")
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Rel(confluenceScorer, trendEngine, "Reads signals")
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Rel(confluenceScorer, momentumEngine, "Reads signals")
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Rel(confluenceScorer, volatilityEngine, "Reads signals")
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Rel(confluenceScorer, volumeEngine, "Reads signals")
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Rel(confluenceScorer, patternRecog, "Reads patterns")
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Rel(snapshotWriter, confluenceScorer, "Reads scored snapshot")
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Rel(snapshotWriter, tsdb, "Writes snapshots", "SQL")
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Rel(signalGen, snapshotWriter, "Reads snapshots", "SQL")
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```
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## Signal Generator — Component Diagram
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```mermaid
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C4Component
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title Components — Signal Generator
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Container_Ext(tsdb, "Market Data Store", "TimescaleDB", "Indicator snapshots")
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Container_Ext(newsApi, "Economic Calendar API", "REST", "High-impact events")
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Container_Ext(notifier, "Notifier", "Python", "Receives final signals")
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Container_Boundary(signalGen, "Signal Generator") {
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Component(snapshotReader, "Snapshot Reader", "SQLAlchemy", "Loads latest indicator snapshots per symbol.")
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Component(biasFilter, "Bias Filter", "Python", "Determines directional bias (bullish/bearish/neutral) per pair from higher-TF trend.")
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Component(setupScanner, "Setup Scanner", "Python", "Identifies candidate setups where confluence score ≥ 0.65.")
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Component(riskCalc, "Risk Calculator", "Python", "Calculates entry, stop-loss, take-profit; validates R:R ≥ 1.5.")
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Component(newsFilter, "News Filter", "Python / requests", "Rejects signals within 30 min of high-impact economic events.")
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Component(correlFilter, "Correlation Filter", "Python", "Prevents conflicting signals on correlated pairs (e.g. EUR/USD + GBP/USD both long).")
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Component(dailyLimitGuard, "Daily Limit Guard", "Python", "Enforces max 3 signals per day hard cap.")
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Component(signalAssembler, "Signal Assembler", "Python", "Packages final signals with metadata, reasoning, and time window.")
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}
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Rel(snapshotReader, tsdb, "Reads snapshots", "SQL")
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Rel(biasFilter, snapshotReader, "Reads higher-TF data")
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Rel(setupScanner, snapshotReader, "Reads scored snapshots")
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Rel(setupScanner, biasFilter, "Applies directional filter")
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Rel(riskCalc, setupScanner, "Calculates levels per setup")
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Rel(newsFilter, newsApi, "Fetches upcoming events", "REST")
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Rel(newsFilter, riskCalc, "Filters out news-window setups")
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Rel(correlFilter, newsFilter, "Deduplicates correlated setups")
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Rel(dailyLimitGuard, correlFilter, "Enforces ≤3 cap")
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Rel(signalAssembler, dailyLimitGuard, "Assembles final signals")
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Rel(notifier, signalAssembler, "Receives signals for delivery")
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```
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## Data Ingestor — Component Breakdown
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| Component | Responsibility |
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| **Source Router** | Selects primary/fallback data source per symbol |
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| **REST Poller** | Fetches 1m candles from REST API on schedule |
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| **WS Stream Client** | Maintains WebSocket connection for real-time tick data |
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| **Normaliser** | Maps source-specific field names → unified OHLCV schema |
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| **Gap Detector** | Identifies missing candles, triggers backfill |
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| **Backfiller** | Fetches historical data to fill detected gaps |
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| **Rate Limiter** | Tracks and respects per-API-key rate limits |
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| **Health Reporter** | Emits data freshness metrics; alerts on stale data |
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## Confluence Scoring — Detail
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```python
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# Scoring weights (sum = 1.0)
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WEIGHTS = {
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'trend_alignment': 0.30, # EMA cross, MACD, ADX
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'momentum': 0.25, # RSI, Stochastic, CCI
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'volume': 0.20, # VWAP, OBV
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'pattern': 0.15, # Candlestick / chart patterns
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'key_level': 0.10, # Support/resistance proximity
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}
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MINIMUM_CONFLUENCE = 0.65 # Hard threshold
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MINIMUM_RR_RATIO = 1.5 # Risk/reward hard floor
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MAX_DAILY_SIGNALS = 3 # Hard daily cap
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MAX_HOLD_MINUTES = 30 # Hard position time limit
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```
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