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Sprint 63: Learned Adapter Hints (Non-Authoritative) — Steps 859-868

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Implements the learned adapter hints layer with governance guardrails:
- HintFeatureExtractor: extract features from decision ledgers (step 859)
- HintModelInterface: pair-specific hint query interface (step 860)
- DeterministicFallback: safe fallback when hints unavailable (step 861)
- HintConfidencePacket: confidence bands and escalation logic (step 862)
- HintABHarness: A/B harness to measure hint effectiveness (step 863)
- HintRollbackControl: suppress and lift hint suppression per pair (step 864)
- whetstone_get_adapter_hints MCP tool (step 865)
- whetstone_set_hint_policy MCP tool (step 866)
- HintSafetyGuardrails: non-authoritative enforcement + audit (step 867)
- Sprint63IntegrationSummary (step 868)

All 10 steps passing (94 tests). Governance rule: learned hints may
suggest; deterministic policy decides.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Bill
2026-02-22 18:40:31 -07:00
parent 457cbba44d
commit 00a9c4d976
15 changed files with 646 additions and 0 deletions
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editor/tests/step865_test.cpp Normal file
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// Step 865: whetstone_get_adapter_hints MCP tool (8 tests)
#include "MCPServer.h"
#include <iostream>
static int p=0,f=0;
#define T(n) { std::cout << " " << #n << "... "; }
#define P() { std::cout << "PASS\n"; ++p; }
#define F(m) { std::cout << "FAIL: " << m << "\n"; ++f; }
#define C(c,m) if(!(c)){F(m);return;}
void t1(){T(tool_registered);
MCPServer srv;
auto r=srv.handleRequest({{"jsonrpc","2.0"},{"id",1},{"method","tools/list"},{"params",{}}});
bool found=false;
for(auto& t:r["result"]["tools"]) if(t["name"]=="whetstone_get_adapter_hints") found=true;
C(found,"tool found");P();}
void t2(){T(no_pair_id_fails);
MCPServer srv;
auto r=srv.handleRequest({{"jsonrpc","2.0"},{"id",1},{"method","tools/call"},{"params",{{"name","whetstone_get_adapter_hints"},{"arguments",{}}}}});
auto res=nlohmann::json::parse(r["result"]["content"][0]["text"].get<std::string>());
C(!res["success"].get<bool>(),"fail");P();}
void t3(){T(valid_pair_succeeds);
MCPServer srv;
auto r=srv.handleRequest({{"jsonrpc","2.0"},{"id",1},{"method","tools/call"},{"params",{{"name","whetstone_get_adapter_hints"},{"arguments",{{"pair_id","py->cpp"}}}}}});
auto res=nlohmann::json::parse(r["result"]["content"][0]["text"].get<std::string>());
C(res["success"].get<bool>(),"success");P();}
void t4(){T(model_available_field);
MCPServer srv;
auto r=srv.handleRequest({{"jsonrpc","2.0"},{"id",1},{"method","tools/call"},{"params",{{"name","whetstone_get_adapter_hints"},{"arguments",{{"pair_id","py->cpp"}}}}}});
auto res=nlohmann::json::parse(r["result"]["content"][0]["text"].get<std::string>());
C(res.contains("model_available"),"field");P();}
void t5(){T(hints_array_present);
MCPServer srv;
auto r=srv.handleRequest({{"jsonrpc","2.0"},{"id",1},{"method","tools/call"},{"params",{{"name","whetstone_get_adapter_hints"},{"arguments",{{"pair_id","py->cpp"}}}}}});
auto res=nlohmann::json::parse(r["result"]["content"][0]["text"].get<std::string>());
C(res["hints"].is_array(),"hints");P();}
void t6(){T(hint_count_field);
MCPServer srv;
auto r=srv.handleRequest({{"jsonrpc","2.0"},{"id",1},{"method","tools/call"},{"params",{{"name","whetstone_get_adapter_hints"},{"arguments",{{"pair_id","py->cpp"}}}}}});
auto res=nlohmann::json::parse(r["result"]["content"][0]["text"].get<std::string>());
C(res.contains("hint_count"),"count");P();}
void t7(){T(with_features);
MCPServer srv;
nlohmann::json feats=nlohmann::json::array(); feats.push_back("f1"); feats.push_back("f2");
auto r=srv.handleRequest({{"jsonrpc","2.0"},{"id",1},{"method","tools/call"},{"params",{{"name","whetstone_get_adapter_hints"},{"arguments",{{"pair_id","py->cpp"},{"features",feats}}}}}});
auto res=nlohmann::json::parse(r["result"]["content"][0]["text"].get<std::string>());
C(res["hint_count"].get<int>()==2,"count 2");P();}
void t8(){T(pair_id_in_response);
MCPServer srv;
auto r=srv.handleRequest({{"jsonrpc","2.0"},{"id",1},{"method","tools/call"},{"params",{{"name","whetstone_get_adapter_hints"},{"arguments",{{"pair_id","rust->go"}}}}}});
auto res=nlohmann::json::parse(r["result"]["content"][0]["text"].get<std::string>());
C(res["pair_id"]=="rust->go","pair_id");P();}
int main(){
std::cout<<"Step 865: whetstone_get_adapter_hints\n";
t1();t2();t3();t4();t5();t6();t7();t8();
std::cout<<"\nResults: "<<p<<"/"<<(p+f)<<" passed\n";
return f?1:0;
}