feat(automation): add Phase 2 agentic features - selector cache, structured outputs, map API

- Add SelectorCache for self-healing element lookups with LRU eviction
- Add act_cached() method that uses cache before falling back to LLM
- Add StructuredOutputConfig for native JSON schema API support
- Add extract_structured() for reliable structured data extraction
- Add map() API for AI-powered URL discovery and categorization
- Add MapResult and DiscoveredUrl types with relevance scoring
- Add comprehensive tests for all Phase 2 features
- Bump version to 2.43.12

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: j-mendez

Cargo.lock

@@ -3,7 +3,7 @@
 let
   spider = pkgs.rustPlatform.buildRustPackage {
     pname = "spider";
-    version = "2.43.11";
+    version = "2.43.12";
 
     src = ./.;
 

default.nix

@@ -1,6 +1,6 @@
 [package]
 name = "spider"
-version = "2.43.11"
+version = "2.43.12"
 authors = ["j-mendez <jeff@spider.cloud>"]
 description = "A web crawler and scraper, building blocks for data curation workloads."
 repository = "https://github.com/spider-rs/spider"