Update GitHub Actions workflow for deployment

.env.production

@@ -0,0 +1 @@
+VITE_API_BASE_URL=https://astro-engine-api-7ec0.onrender.com

.github/workflows/deploy.yml

@@ -2,8 +2,9 @@ name: Deploy to GitHub Pages
 
 on:
   push:
-    branches: [main]
-  workflow_dispatch: {}
+    branches:
+      - DSK369-patch-1.5
+  workflow_dispatch:
 
 permissions:
   contents: read
@@ -17,25 +18,40 @@ concurrency:
 jobs:
   build:
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup Node
+        uses: actions/setup-node@v6
         with:
-          node-version: 20
+          node-version: 22
           cache: npm
-      - run: npm ci
-      - run: npm run build
-      - uses: actions/configure-pages@v5
-      - uses: actions/upload-pages-artifact@v3
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build
+        run: npm run build
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v4
         with:
-          path: dist
+          path: ./dist
 
   deploy:
-    needs: build
-    runs-on: ubuntu-latest
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-latest
+    needs: build
+
     steps:
-      - id: deployment
+      - name: Deploy
+        id: deployment
         uses: actions/deploy-pages@v4

backend/.gitignore

@@ -0,0 +1,4 @@
+__pycache__/
+*.pyc
+venv/
+.env

backend/core/astro.py

@@ -0,0 +1,54 @@
+RASHIS = [
+    "Aries", "Taurus", "Gemini", "Cancer",
+    "Leo", "Virgo", "Libra", "Scorpio",
+    "Sagittarius", "Capricorn", "Aquarius", "Pisces"
+]
+
+RASHI_LORDS = {
+    "Aries": "Mars",
+    "Taurus": "Venus",
+    "Gemini": "Mercury",
+    "Cancer": "Moon",
+    "Leo": "Sun",
+    "Virgo": "Mercury",
+    "Libra": "Venus",
+    "Scorpio": "Mars",
+    "Sagittarius": "Jupiter",
+    "Capricorn": "Saturn",
+    "Aquarius": "Saturn",
+    "Pisces": "Jupiter"
+}
+
+NAKSHATRAS = [
+    "Ashwini", "Bharani", "Krittika", "Rohini",
+    "Mrigashira", "Ardra", "Punarvasu", "Pushya",
+    "Ashlesha", "Magha", "Purva Phalguni", "Uttara Phalguni",
+    "Hasta", "Chitra", "Swati", "Vishakha",
+    "Anuradha", "Jyeshtha", "Mula", "Purva Ashadha",
+    "Uttara Ashadha", "Shravana", "Dhanishta", "Shatabhisha",
+    "Purva Bhadrapada", "Uttara Bhadrapada", "Revati"
+]
+
+NAKSHATRA_LORDS = [
+    "Ketu", "Venus", "Sun", "Moon", "Mars", "Rahu",
+    "Jupiter", "Saturn", "Mercury"
+] * 3
+
+
+def get_rashi(longitude):
+    index = int(longitude // 30)
+    rashi = RASHIS[index]
+    return rashi, RASHI_LORDS[rashi]
+
+
+def get_nakshatra(longitude):
+    nak_index = int(longitude // (360 / 27))
+    nakshatra = NAKSHATRAS[nak_index]
+    lord = NAKSHATRA_LORDS[nak_index]
+    return nakshatra, lord
+
+
+def get_charan(longitude):
+    nak_fraction = (longitude % (360 / 27)) / (360 / 27)
+    charan = int(nak_fraction * 4) + 1
+    return charan

backend/core/ayanamsa.py

@@ -0,0 +1,76 @@
+import swisseph as swe
+
+# ==============================
+# PREDEFINED CUSTOM
+# ==============================
+CUSTOM_KP_AYANAMSA = 23 + 44/60 + 18/3600  # 23:44:18
+
+
+# ==============================
+# STANDARD MODES
+# ==============================
+AYANAMSA_MAP = {
+    "KP": swe.SIDM_KRISHNAMURTI,
+    "LAHIRI": swe.SIDM_LAHIRI,
+    "RAMAN": swe.SIDM_RAMAN,
+    "FAGAN": swe.SIDM_FAGAN_BRADLEY,
+}
+
+
+# ==============================
+# HELPERS
+# ==============================
+def dms_to_decimal(deg, minute, second):
+    return deg + (minute / 60) + (second / 3600)
+
+
+# ==============================
+# MAIN SETTER
+# ==============================
+def set_ayanamsa(mode="KP", manual_value=None):
+    mode = mode.upper()
+
+    # --------------------------
+    # PREDEFINED CUSTOM KP
+    # --------------------------
+    if mode == "CUSTOM_KP":
+        swe.set_sid_mode(swe.SIDM_USER, CUSTOM_KP_AYANAMSA)
+
+        return {
+            "name": "Custom KP (23:44:18)",
+            "value_func": lambda jd: CUSTOM_KP_AYANAMSA
+        }
+
+    # --------------------------
+    # MANUAL INPUT
+    # --------------------------
+    if mode == "CUSTOM_MANUAL":
+        if manual_value is None:
+            raise ValueError("Manual ayanamsa value required")
+
+        swe.set_sid_mode(swe.SIDM_USER, manual_value)
+
+        return {
+            "name": f"Custom Manual ({manual_value:.6f}°)",
+            "value_func": lambda jd: manual_value
+        }
+
+    # --------------------------
+    # STANDARD SWE MODES
+    # --------------------------
+    if mode not in AYANAMSA_MAP:
+        raise ValueError(f"Unsupported ayanamsa: {mode}")
+
+    swe.set_sid_mode(AYANAMSA_MAP[mode])
+
+    return {
+        "name": mode,
+        "value_func": swe.get_ayanamsa
+    }
+
+
+# ==============================
+# OPTIONAL: LIST MODES
+# ==============================
+def list_ayanamsa_modes():
+    return list(AYANAMSA_MAP.keys()) + ["CUSTOM_KP", "CUSTOM_MANUAL"]

backend/core/cusps.py

@@ -0,0 +1,54 @@
+import swisseph as swe
+from core.astro import get_rashi, get_nakshatra, get_charan
+from core.utils import decimal_to_dms
+from core.kp import compute_kp_levels
+
+# SAME OFFSET as houses.py / planets.py, kept consistent so cusps line up
+# with planet/lagna longitudes computed elsewhere in core/.
+AYAN_OFFSET = -0.1
+
+
+def calculate_placidus_cusps(jd, latitude, longitude):
+    houses, _ascmc = swe.houses(jd, latitude, longitude, b'P')
+    ayanamsa = swe.get_ayanamsa(jd)
+
+    cusps = []
+    for i in range(12):
+        tropical = houses[i]
+        sidereal = (tropical - ayanamsa + AYAN_OFFSET) % 360
+
+        rashi, rashi_lord = get_rashi(sidereal)
+        nakshatra, nak_lord = get_nakshatra(sidereal)
+        charan = get_charan(sidereal)
+        sub, sub_sub, sub_sub_sub = compute_kp_levels(sidereal, nak_lord)
+
+        cusps.append({
+            "house": i + 1,
+            "longitude": sidereal,
+            "degree": decimal_to_dms(sidereal),
+
+            "rashi": rashi,
+            "rashi_lord": rashi_lord,
+            "nakshatra": nakshatra,
+            "nakshatra_lord": nak_lord,
+            "charan": charan,
+
+            "sub_lord": sub,
+            "sub_sub_lord": sub_sub,
+            "sub_sub_sub_lord": sub_sub_sub,
+        })
+
+    return cusps
+
+
+def get_placidus_house(longitude, cusp_longitudes):
+    """Which Placidus house a longitude falls in, given the 12 cusp start
+    longitudes. Matches lib/vedicTables.js: getPlacidusHouse exactly."""
+    for i in range(12):
+        start = cusp_longitudes[i]
+        end = cusp_longitudes[(i + 1) % 12]
+        span = (end - start) % 360
+        offset = (longitude - start) % 360
+        if offset < span:
+            return i + 1
+    return None