v6.2.0: 全面技法宝库升级 — 16个新模块 + 12个文件优化

## 新增模块 (16个)
### P0 精度修复
- ashtakavarga: calc_prastara_av() + calc_sodhita_av()
- kakshya.py: Kakshya评分系统 (8区间×3.75°)
- shadbala.py: Sputa Drishti + Yuddha Bala

### P1 核心升级
- bhava_bala.py: 宫位三元力量 (jyotishganit MIT)
- pancha_mahapurusha.py: PMC完整检测含4层失效条件
- sade_sati.py: Sade Sati+Kantaka Shani
- sudarshana_chakra.py: 三参考点盘+收敛分析
- tajika.py: Sahams 7→36 + Tajika Yogas 10种
- birth_time_rectifier.py: 生时矫正

### P2 覆盖扩展
- kp_system.py: KP Sublord+ABCD Significator (diliprk/VedicAstro MIT)
- synastry.py: 16因子合盘36分制 (dashaflow MIT)
- muhurtha_election.py: 6活动选举 (dashaflow MIT)
- career_analysis.py: 结构化事业引擎
- relationship_analysis.py: 结构化感情引擎
- conditional_dashas.py: Dwisaptati+Shattrimsa+Dwadashottari
- divisional_charts_extended: D81/D108/D144
- remedies.py: 5类补救系统

## 修改文件
jaimini/dasha_calculator/shadbala/SKILL.md/COVERAGE_AUDIT等12个

## 开源复用: 4个MIT项目

references/open_source_sources/rishi-ai-mcp/.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - run: pip install -e .
+      - run: pip install pytest
+      - run: pytest -q

references/open_source_sources/rishi-ai-mcp/.github/workflows/publish.yml

@@ -0,0 +1,32 @@
+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - run: pip install -e ".[test]" || pip install -e .
+      - run: pip install pytest
+      - run: pytest -q
+
+  publish:
+    needs: test
+    runs-on: ubuntu-latest
+    environment: pypi
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - run: pip install build
+      - run: python -m build
+      - uses: pypa/gh-action-pypi-publish@release/v1