Add historical ratios, forward estimates, insider transactions, SEC filings

- services/fmp_service.py: add get_historical_ratios, get_historical_key_metrics,
  get_analyst_estimates, get_insider_transactions, get_sec_filings
- components/valuation.py: add Historical Ratios and Forward Estimates subtabs
- components/insiders.py: new — insider buy/sell summary, monthly chart, detail table
- components/filings.py: new — SEC filings with type filter and direct links
- app.py: wire in Insiders and Filings top-level tabs

1 files changed, 17 insertions, 1 deletions

diff --git a/app.py b/app.py
index a470213..b1638cd 100644
--- a/app.py
+++ b/app.py
@@ -59,6 +59,8 @@ from components.market_bar import render_market_bar
 from components.overview import render_overview
 from components.financials import render_financials
 from components.valuation import render_valuation
+from components.insiders import render_insiders
+from components.filings import render_filings
 from components.news import render_news
 from services.data_service import get_company_info, search_tickers
 
@@ -138,10 +140,12 @@ st.divider()
 
 # ── Main Content ──────────────────────────────────────────────────────────────
 
-tab_overview, tab_financials, tab_valuation, tab_news = st.tabs([
+tab_overview, tab_financials, tab_valuation, tab_insiders, tab_filings, tab_news = st.tabs([
     "📈 Overview",
     "📊 Financials",
     "💰 Valuation",
+    "👤 Insiders",
+    "📁 Filings",
     "📰 News",
 ])
 
@@ -163,6 +167,18 @@ with tab_valuation:
     except Exception as e:
         st.error(f"Valuation failed to load: {e}")
 
+with tab_insiders:
+    try:
+        render_insiders(ticker)
+    except Exception as e:
+        st.error(f"Insider data failed to load: {e}")
+
+with tab_filings:
+    try:
+        render_filings(ticker)
+    except Exception as e:
+        st.error(f"Filings failed to load: {e}")
+
 with tab_news:
     try:
         render_news(ticker)