Add header documentation for pipeline.py

feat(phase-32): rebuild AliasGraph in pipeline after entity resolution

fix(ascii): replace all non-ASCII chars in Python source files

fix(ARCH-2): add deprecation notice to entity_resolver.py -- canonical version is entity_resolver_v2.py

fix(test): rewrite normalise_indian_name -- add Sh. to honorifics, while-loop for stacked honorifics, fix broken function body

fix(test): add 'sh' abbreviation to _HONORIFICS; change to while-loop for stacked honorifics (Late Shri X -> X) -- fixes 1 failing pytest

fix(api+graph+pipeline): M-04+M-05+M-08+M-09 -- misc medium fixes

fix(scrapers+pipeline): H-03+L-02+H-12 -- MyNeta elections and git bloat

fix(api+pipeline): C-05+C-06 -- unsearchable nodes and hardcoded ICIJ names

refactor(pipeline): upgrade EntityResolver import to v2

feat(processing): add EntityResolverV2 -- multi-signal identity engine

feat(processing): add AliasGraph -- alias-to-canonical-id lookup

feat(processing): add canonical_id.py -- SHA-256 ID generation

fix(encoding): strip non-ASCII chars from pipeline.py and loader.py

fix(pipeline): BUG-13 — entity resolver now runs on international data

feat: Procurement DNA + Cartel Detection + full pipeline fix

fix: complete pipeline - pull correct scraper versions into branch

fix: add __init__.py to all packages, create venv setup

feat: add requirements.txt and base_scraper.py - Day 2