Correct calendar data for 1950-2100

Rebuild all eight Parquet tables for blocks 1950-2049 and 2050-2149, refresh the 2026-08 sample and metadata, and publish the full 151-block validation report.

.gitattributes

@@ -58,3 +58,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 # Video files - compressed
 *.mp4 filter=lfs diff=lfs merge=lfs -text
 *.webm filter=lfs diff=lfs merge=lfs -text
+metadata/v1/source_web_data/source-sha256.txt filter=lfs diff=lfs merge=lfs -text

README.md

@@ -47,7 +47,8 @@ stored as numeric columns and never require JavaScript `Date`.
 - Ephemeris: JPL DE441, with exact source hashes in `metadata/v1/manifest.json`
 - Huangli profiles: `folk`, `ziping`, `purple`, `xieji`
 - Far-future civil dates use CCC's documented delta-T extrapolation
-- Solar-eclipse refresh source commit: `109d82a`
+- Generation source base commit: `010b7aa`
+- Local correction patch SHA-256: `D092E58D947452A8A96483C015452565692A2FBE0CDCB420C7982B2BF806395F`
 - Source web-data validation: 15,051/15,051 years passed, zero failed years
 
 ## Tables
@@ -75,12 +76,22 @@ round-trip rules.
 ## Provenance and validation
 
 The authoritative source manifest, schema, dictionaries, SHA-256 list, and
-validation report are published under `metadata/v1/`.  The 2026-08-23 solar
-eclipse refresh rebuilt `days`, `eclipse_years`, and `solar_eclipses` for all
-151 blocks.  All 453 rebuilt files were read back and checked for file hash,
-schema, row count, canonical payload parsing, and lossless source-object
-reconstruction; the other five tables were byte-preserved with their prior
-committed hashes and validation state.
+validation report are published under `metadata/v1/`.  The 2026-08-24
+correction regenerated and deeply compared every source year from 1950 through
+2100.  It applies the current time-scale implementation, anchors exact lunar
+phase roots to sequential new moons, handles the real DE441 part boundary with
+coverage-aware kernel selection, and preserves the complete daily-Moon and
+astronomy-event payloads.
+
+Because the Parquet release is partitioned in 100-year blocks, all eight tables
+were rebuilt for blocks `1950-2049` and `2050-2149`; rebuilding the latter as a
+whole prevents mixed-generation rows after 2100.  The rebuilt files and the
+2026-08 sample were independently checked for hashes, Arrow schemas, row
+counts, canonical payload parsing, and lossless source-object reconstruction.
+The full source Web release was then validated across 15,051/15,051 years with
+zero failures.  The uncommitted source correction is archived as
+`metadata/v1/source_web_data/CCC-local-fixes.patch`; it was not pushed to the
+upstream source repository.
 
 For remote-future events, `jd_utc` is a stable serialization convention that
 holds the final built-in TAI-UTC offset fixed; it is not a prediction of future

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 cd1b3862924500d1caa761356bcf9bc0e5b9a62e95bf6aed5f69c76295ed893a  data/v1/lunar_eclipses/lunar-eclipses-2350-2449.parquet
@@ -1125,8 +1125,8 @@ eb1ad6ffe4e5ee96f674e559579f7641dead108a7996facc83bf68631f3ecab1  data/v1/solar_
 cddbf287a8afb533cccb9d7f2b236fd9e64888d3d85802655763b6dbc100f9d9  data/v1/solar_eclipses/solar-eclipses-16750-16849.parquet
 9f40aff93783fb09bc236d574a473720e2548f5054603d67a036bc22a3c66be1  data/v1/solar_eclipses/solar-eclipses-16850-16949.parquet
 113a056a1503eae60e59759f74e6d179ca04ca2c8d9f21bedc20d5b4c9588d72  data/v1/solar_eclipses/solar-eclipses-16950-17000.parquet
-be40869a94287940a98562ef802ce681a85b6417c342dc79b57a57804362f242  data/v1/solar_eclipses/solar-eclipses-1950-2049.parquet
-290b969ce8d2fc6d641897de16e56610cf6615f20fc51a546aa290b23da0fdac  data/v1/solar_eclipses/solar-eclipses-2050-2149.parquet
+e51cdda4ddc5b5777e4accf08b6d78780b1c93c5fb1486e5f29dd78f1ca533e0  data/v1/solar_eclipses/solar-eclipses-1950-2049.parquet
+e38a3f8bbf866f8c0f7d67449d6d3d9624ecc5de18c110c250e4659ea0ccad19  data/v1/solar_eclipses/solar-eclipses-2050-2149.parquet
 fad4df2556333337b697e3bec3e78fe11b625fa81f2be6f14997cdf7f1280248  data/v1/solar_eclipses/solar-eclipses-2150-2249.parquet
 1c3e246e02a4e09d0430cfff0ab498a48a56cf525571e98c1ffa97500819898c  data/v1/solar_eclipses/solar-eclipses-2250-2349.parquet
 79ff5e2f47165d47182f63e368618509e53de214f627a0a4270cdd03fb17b3c8  data/v1/solar_eclipses/solar-eclipses-2350-2449.parquet

metadata/v1/parquet_validation_report.json

@@ -1 +1 @@
-{"v":1,"builder_version":"1.2.0","verifier_version":"1.1.0","generated_at":"2026-08-23T03:04:34Z","blocks":151,"passed_blocks":151,"failed_blocks":0,"checked_files":453,"checked_bytes":2443579256,"verified_tables":["days","eclipse_years","solar_eclipses"],"preserved_tables":["calendar_months","calendar_events","astro_months","astro_events","lunar_eclipses"],"counts":{"days":5497265,"calendar_months":180612,"calendar_events":1105846,"astro_months":180612,"astro_events":218433381,"eclipse_years":15051,"solar_eclipses":35735,"lunar_eclipses":36159},"checks":["committed_state","artifact_size","artifact_sha256","parquet_schema_metadata","row_count","canonical_json_parse","length_delimited_source_digest"],"errors":[]}
+{"v":1,"builder_version":"1.2.0","verifier_version":"1.1.0","generated_at":"2026-08-24T07:11:45Z","blocks":151,"passed_blocks":151,"failed_blocks":0,"checked_files":1208,"checked_bytes":18390679036,"verified_tables":["days","calendar_months","calendar_events","astro_months","astro_events","eclipse_years","solar_eclipses","lunar_eclipses"],"preserved_tables":[],"counts":{"days":5497265,"calendar_months":180612,"calendar_events":1105846,"astro_months":180612,"astro_events":218433381,"eclipse_years":15051,"solar_eclipses":35735,"lunar_eclipses":36159},"checks":["committed_state","artifact_size","artifact_sha256","parquet_schema_metadata","row_count","canonical_json_parse","length_delimited_source_digest"],"errors":[]}

metadata/v1/source_web_data/CCC-local-fixes.patch

@@ -0,0 +1,425 @@
+diff --git a/include/lunar/events.hpp b/include/lunar/events.hpp
+index 12d54fd..eb77998 100644
+--- a/include/lunar/events.hpp
++++ b/include/lunar/events.hpp
+@@ -12,6 +12,9 @@ struct EventRec{
+ 	double jd_utc=std::numeric_limits<double>::quiet_NaN();
+ 	std::string utc_iso;
+ 	std::string loc_iso;
++	// Optional source-specific technical payload.  Astronomy events use this
++	// for quantities such as greatest elongation/separation and motion state.
++	std::string detail;
+ };
+ 
+ struct MonthRec{
+diff --git a/include/lunar/spc_ephem.hpp b/include/lunar/spc_ephem.hpp
+index e8de452..074d63e 100644
+--- a/include/lunar/spc_ephem.hpp
++++ b/include/lunar/spc_ephem.hpp
+@@ -37,6 +37,7 @@ struct EphRead{
+ 	int MOON;
+ 	std::map<int,std::string> id_name;
+ 	std::shared_ptr<SpkFile> kern;
++	std::vector<std::shared_ptr<SpkFile>> kerns;
+ 	bool kern_loaded=false;
+ 	bool use_series=false;
+ 
+diff --git a/src/calendar.cpp b/src/calendar.cpp
+index a849db2..1c13b52 100644
+--- a/src/calendar.cpp
++++ b/src/calendar.cpp
+@@ -384,17 +384,14 @@ YearResult SolLunCal::compute_year(int year,std::ostream*log){
+ 
+ 	const auto&phase_defs=lp_defs();
+ 	const auto&offsets=lp_offs();
++	const double first_nm=newton(
++		"lunar",jd_anch,phase_defs.at("new_moon").angle);
+ 
+ 	for(int idx=0;idx<18;++idx){
+-		double base_jd=jd_anch+idx*SYNODDAY;
+-		for(const auto&ph : phase_defs){
+-			const std::string&key=ph.first;
+-			double ang=ph.second.angle;
+-			double offset=offsets.at(key);
+-			double guess=base_jd+offset;
+-			tasks.push_back({"lunar",ang,guess,1e-8,20});
+-			metas.push_back({false,"",0,key,idx});
+-		}
++		const double guess=first_nm+idx*SYNODDAY;
++		tasks.push_back(
++			{"lunar",phase_defs.at("new_moon").angle,guess,1e-8,20});
++		metas.push_back({false,"",0,"new_moon",idx});
+ 	}
+ 
+ 	auto task_out=run_roots(tasks);
+@@ -432,6 +429,41 @@ YearResult SolLunCal::compute_year(int year,std::ostream*log){
+ 		}
+ 	}
+ 
++	// Anchor every quarter/full phase to the actual new moon of its lunation.
++	// Solving all four phases from independent fixed guesses can converge one
++	// of them to an adjacent lunation when the varying synodic month length
++	// accumulates near the branch boundary.
++	std::vector<RootTask> phase_tasks;
++	std::vector<TaskMeta> phase_metas;
++	for(int idx=0;idx<18;++idx){
++		auto it_nm=lun_res.find({"new_moon",idx});
++		if(it_nm==lun_res.end()){
++			continue;
++		}
++		for(const auto&ph : phase_defs){
++			const std::string&key=ph.first;
++			if(key=="new_moon"){
++				continue;
++			}
++			const double guess=it_nm->second+offsets.at(key);
++			phase_tasks.push_back(
++				{"lunar",ph.second.angle,guess,1e-8,20});
++			phase_metas.push_back({false,"",0,key,idx});
++		}
++	}
++	const auto phase_out=run_roots(phase_tasks);
++	for(std::size_t i=0;i<phase_tasks.size();++i){
++		if(!phase_out.second[i].empty()){
++			if(log){
++				(*log)<<"  Lunar phase task "<<i<<" failed: "
++					  <<phase_out.second[i]<<std::endl;
++			}
++			continue;
++		}
++		const auto&meta=phase_metas[i];
++		lun_res[{meta.lp_key,meta.lp_idx}]=phase_out.first[i];
++	}
++
+ 	if(std::isnan(ws_prevjd)){
+ 		throw std::runtime_error("未能求解上一年冬至");
+ 	}
+diff --git a/src/query/cmd_export.cpp b/src/query/cmd_export.cpp
+index 8e06b95..dd22d6e 100644
+--- a/src/query/cmd_export.cpp
++++ b/src/query/cmd_export.cpp
+@@ -645,8 +645,18 @@ void write_export_day_json(JsonWriter&w,const ExportOpt&opt,
+ 	w.obj_end();
+ 	w.key("moon");
+ 	w.obj_begin();
++	w.key("elongation_rad");
++	w.value(atd.elong);
+ 	w.key("elongation_deg");
+ 	w.value(atd.elong_deg);
++	w.key("moon_longitude_rad");
++	w.value(atd.lam_m);
++	w.key("moon_longitude_rate_rad_per_day");
++	w.value(atd.lam_m_dot);
++	w.key("sun_longitude_rad");
++	w.value(atd.lam_s);
++	w.key("sun_longitude_rate_rad_per_day");
++	w.value(atd.lam_s_dot);
+ 	w.key("ill_frac");
+ 	w.value(atd.ill_frac);
+ 	w.key("ill_pct");
+diff --git a/src/query/cmd_info_cfg_comp.cpp b/src/query/cmd_info_cfg_comp.cpp
+index 0d5dbfb..30109e1 100644
+--- a/src/query/cmd_info_cfg_comp.cpp
++++ b/src/query/cmd_info_cfg_comp.cpp
+@@ -292,8 +292,9 @@ void write_info(std::ostream&os,const InfoOpt&opt,const InfoRes&res){
+ 			 w.key("leap_last");
+ 			 w.value("2017-01-01");
+ 			 w.key("delt_str");
+-			 w.value("year<1970 or year>2026: em53; [1972,2026]: leap table; "
+-					 "[1970,1972): legacy");
++			 w.value("SMH2020 historical splines; USNO atomic/monthly "
++					 "observations and predictions; Stephenson-Morrison "
++					 "long-term extrapolation");
+ 			 w.key("spk_cov");
+ 			 if(res.has_cov){
+ 				 w.obj_begin();
+@@ -323,8 +324,9 @@ void write_info(std::ostream&os,const InfoOpt&opt,const InfoRes&res){
+ 			 os<<"ephem.exists="<<(res.exists?"1":"0")<<"\n";
+ 			 os<<"ephem.fsize_b="<<res.size<<"\n";
+ 			 os<<"timescale.leap_last=2017-01-01\n";
+-			 os<<"timescale.delt_str=year<1970 or year>2026: em53; "
+-			   "[1972,2026]: leap table; [1970,1972): legacy\n";
++			 os<<"timescale.delt_str=SMH2020 historical splines; USNO "
++			   "atomic/monthly observations and predictions; "
++			   "Stephenson-Morrison long-term extrapolation\n";
+ 			 if(res.has_cov){
+ 				 os<<"spk.jd_tstart="<<format_num(res.jd_start)<<"\n";
+ 				 os<<"spk.jd_tdb_end="<<format_num(res.jd_end)<<"\n";
+diff --git a/src/query/core/base.cpp b/src/query/core/base.cpp
+index 10334f6..26ec2c9 100644
+--- a/src/query/core/base.cpp
++++ b/src/query/core/base.cpp
+@@ -386,6 +386,7 @@ EventRec mk_astro_rec(const AstroEvt&src,int tz_off){
+ 	out.jd_tdb=TimeScale::utc_to_tdb(src.jd_utc);
+ 	out.utc_iso=fmt_iso(src.jd_utc,0,true);
+ 	out.loc_iso=fmt_iso(src.jd_utc,tz_off,true);
++	out.detail=src.detail;
+ 	return out;
+ }
+ 
+diff --git a/src/query/core/evt.cpp b/src/query/core/evt.cpp
+index 40950f3..155497f 100644
+--- a/src/query/core/evt.cpp
++++ b/src/query/core/evt.cpp
+@@ -89,6 +89,10 @@ void wr_ejson(JsonWriter&w,const EventRec&ev,EphRead&eph,bool calc_eclipse=false
+ 	w.value(ev.utc_iso);
+ 	w.key("loc_iso");
+ 	w.value(ev.loc_iso);
++	if(!ev.detail.empty()){
++		w.key("detail");
++		w.value(ev.detail);
++	}
+ 	if(ev.kind=="lunar_eclipse"){
+ 		w.key("lunar_eclipse");
+ 		LunarEclipse ecl=calc_ecl_for_event(eph,ev);
+diff --git a/src/spc_ephem.cpp b/src/spc_ephem.cpp
+index df60fdf..e2ae0b1 100644
+--- a/src/spc_ephem.cpp
++++ b/src/spc_ephem.cpp
+@@ -2714,6 +2714,30 @@ struct SpkFile{
+ 		State6 o=to_ssb(observer,et,memo,active);
+ 		return t-o;
+ 	}
++
++	bool covers_to_ssb(int target,double et,
++					   std::unordered_set<int>&active) const{
++		if(target==0){
++			return true;
++		}
++		if(!active.insert(target).second){
++			return false;
++		}
++		const SpkSeg*seg=pick_segment(target,et);
++		const bool covered=seg!=nullptr&&covers_to_ssb(seg->center,et,active);
++		active.erase(target);
++		return covered;
++	}
++
++	bool covers_state(int target,int observer,double et) const{
++		std::unordered_set<int> active;
++		active.reserve(16U);
++		if(!covers_to_ssb(target,et,active)){
++			return false;
++		}
++		active.clear();
++		return covers_to_ssb(observer,et,active);
++	}
+ };
+ 
+ namespace{
+@@ -2887,6 +2911,25 @@ const std::vector<int>&series_object_ids(){
+ 
+ #endif
+ 
++std::vector<std::string>split_ephemeris_paths(const std::string&filepath){
++	std::vector<std::string> out;
++	std::size_t begin=0;
++	while(begin<=filepath.size()){
++		std::size_t end=filepath.find('|',begin);
++		std::string item=filepath.substr(
++			begin,end==std::string::npos?std::string::npos:end-begin);
++		if(item.empty()){
++			throw std::runtime_error("empty path in composite ephemeris");
++		}
++		out.push_back(std::move(item));
++		if(end==std::string::npos){
++			break;
++		}
++		begin=end+1;
++	}
++	return out;
++}
++
+ }
+ 
+ EphRead::EphRead(const std::string&path){
+@@ -2932,18 +2975,28 @@ void EphRead::load_kern(){
+ 		return;
+ 	}
+ #endif
+-	if(!fs::exists(filepath)){
+-		throw std::runtime_error("ephemeris file not found: "+filepath);
+-	}
++	const std::vector<std::string> paths=split_ephemeris_paths(filepath);
++	for(const std::string&path : paths){
++		if(is_series_ephem(path)){
++			throw std::runtime_error(
++				"series backend cannot be mixed into a composite ephemeris");
++		}
++		if(!fs::exists(path)){
++			throw std::runtime_error("ephemeris file not found: "+path);
++		}
+ 
+-	std::error_code ec;
+-	auto fsize=fs::file_size(filepath,ec);
+-	if(ec||fsize==0){
+-		throw std::runtime_error("ephemeris file is not readable or empty: "+
+-								 filepath);
++		std::error_code ec;
++		auto fsize=fs::file_size(path,ec);
++		if(ec||fsize==0){
++			throw std::runtime_error("ephemeris file is not readable or empty: "+
++									 path);
++		}
++		kerns.push_back(acq_kernel(path));
+ 	}
+-
+-	kern=acq_kernel(filepath);
++	if(kerns.empty()){
++		throw std::runtime_error("no ephemeris kernels were loaded");
++	}
++	kern=kerns.front();
+ 	kern_loaded=true;
+ 
+ 	if(use_series){
+@@ -2967,8 +3020,11 @@ void EphRead::val_kern(){
+ 	if(use_series){
+ 		return;
+ 	}
+-	if(kern->obj_ids.empty()){
+-		throw std::runtime_error("No SPK segments found in ephemeris "+filepath);
++	for(const auto&item : kerns){
++		if(item->obj_ids.empty()){
++			throw std::runtime_error("No SPK segments found in ephemeris "+
++									 item->filepath);
++		}
+ 	}
+ }
+ 
+@@ -2987,7 +3043,19 @@ std::pair<PosKm3,VelKmSec3> EphRead::get_state_et_km(int target,int observer,
+ 		return {pos,vel};
+ 	}
+ #endif
+-	State6 st=kern->rel_state(target,observer,et_tdb);
++	State6 st;
++	bool found=false;
++	for(const auto&item : kerns){
++		if(item->covers_state(target,observer,et_tdb)){
++			st=item->rel_state(target,observer,et_tdb);
++			found=true;
++			break;
++		}
++	}
++	if(!found){
++		throw std::runtime_error(
++			"no composite SPK kernel covers the requested state");
++	}
+ 	PosKm3 pos(st.px,st.py,st.pz);
+ 	VelKmSec3 vel(st.vx,st.vy,st.vz);
+ 	return {pos,vel};
+@@ -3034,7 +3102,13 @@ std::vector<int> EphRead::spk_objects(){
+ 		return series_object_ids();
+ 	}
+ #endif
+-	return kern->obj_ids;
++	std::vector<int> out;
++	for(const auto&item : kerns){
++		out.insert(out.end(),item->obj_ids.begin(),item->obj_ids.end());
++	}
++	std::sort(out.begin(),out.end());
++	out.erase(std::unique(out.begin(),out.end()),out.end());
++	return out;
+ }
+ 
+ std::vector<std::pair<double,double>> EphRead::spk_coverage(int obj){
+@@ -3045,9 +3119,21 @@ std::vector<std::pair<double,double>> EphRead::spk_coverage(int obj){
+ 		return {};
+ 	}
+ #endif
+-	auto it=kern->cover_map.find(obj);
+-	if(it==kern->cover_map.end()){
+-		return {};
++	std::vector<std::pair<double,double>> out;
++	for(const auto&item : kerns){
++		auto it=item->cover_map.find(obj);
++		if(it!=item->cover_map.end()){
++			out.insert(out.end(),it->second.begin(),it->second.end());
++		}
+ 	}
+-	return it->second;
++	std::sort(out.begin(),out.end());
++	std::vector<std::pair<double,double>> merged;
++	for(const auto&span : out){
++		if(merged.empty()||span.first>merged.back().second){
++			merged.push_back(span);
++		}else{
++			merged.back().second=std::max(merged.back().second,span.second);
++		}
++	}
++	return merged;
+ }
+diff --git a/tests/test_core_cli.cpp b/tests/test_core_cli.cpp
+index b773345..cf5b021 100644
+--- a/tests/test_core_cli.cpp
++++ b/tests/test_core_cli.cpp
+@@ -116,6 +116,57 @@ TEST(CalendarSeries, YearHasTermsAndPhases){
+ 	EXPECT_GE(year.lun_phase.size()*4u,48u);
+ }
+ 
++TEST(CalendarSeries, LunarPhasesStayInTheirAnchoredLunation){
++#if LUNAR_ENABLE_SERIES_FALLBACK
++	EphRead eph("@series");
++	SolLunCal solver(eph);
++	for(int year : {1958,1977,1987}){
++		const YearResult result=solver.compute_year(year,nullptr);
++		ASSERT_GE(result.lun_phase.size(),12u)<<year;
++		for(std::size_t i=0;i<result.lun_phase.size();++i){
++			const MoonPhMon&phase=result.lun_phase[i];
++			const double nm=phase.new_moon.toUtcJD();
++			const double fq=phase.fst_qtr.toUtcJD();
++			const double fm=phase.full_moon.toUtcJD();
++			const double lq=phase.lst_qtr.toUtcJD();
++			EXPECT_LT(nm,fq)<<year<<" lunation "<<i;
++			EXPECT_LT(fq,fm)<<year<<" lunation "<<i;
++			EXPECT_LT(fm,lq)<<year<<" lunation "<<i;
++			if(i+1<result.lun_phase.size()){
++				EXPECT_LT(lq,result.lun_phase[i+1].new_moon.toUtcJD())
++					<<year<<" lunation "<<i;
++			}
++		}
++	}
++#else
++	GTEST_SKIP()<<"requires series fallback";
++#endif
++}
++
++TEST(Ephemeris, CompositePathsMatchSingleKernel){
++	if(!has_reference_bsp()){
++		GTEST_SKIP()<<"requires LUNAR_TEST_BSP or a repository BSP";
++	}
++	const std::string path=reference_bsp();
++	EphRead single(path);
++	EphRead composite(path+"|"+path);
++	const auto coverage=single.spk_coverage(single.EARTH);
++	ASSERT_FALSE(coverage.empty());
++	const double et=(coverage.front().first+coverage.front().second)*0.5;
++	const auto expected=single.get_state_et_km(single.SUN,single.EARTH,et);
++	const auto actual=composite.get_state_et_km(
++		composite.SUN,composite.EARTH,et);
++	EXPECT_DOUBLE_EQ(expected.first.x,actual.first.x);
++	EXPECT_DOUBLE_EQ(expected.first.y,actual.first.y);
++	EXPECT_DOUBLE_EQ(expected.first.z,actual.first.z);
++	EXPECT_DOUBLE_EQ(expected.second.x,actual.second.x);
++	EXPECT_DOUBLE_EQ(expected.second.y,actual.second.y);
++	EXPECT_DOUBLE_EQ(expected.second.z,actual.second.z);
++	EXPECT_EQ(single.spk_objects(),composite.spk_objects());
++	EXPECT_EQ(single.spk_coverage(single.EARTH),
++			  composite.spk_coverage(composite.EARTH));
++}
++
+ TEST(CoreGanzhi, ThinApisMatchDayAndCApi){
+ 	if(!has_test_ephem()){
+ 		GTEST_SKIP()<<"requires series fallback or LUNAR_TEST_BSP";
+@@ -1006,6 +1057,12 @@ TEST(CliExport, FullJsonIncludesEventsEclipsesAstroAndAllHuangli){
+ 	EXPECT_NE(txt.find("\"greg_date\":\"2025-09-01\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"lunar_date\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"ganzhi\""),std::string::npos);
++	EXPECT_NE(txt.find("\"elongation_rad\""),std::string::npos);
++	EXPECT_NE(txt.find("\"moon_longitude_rad\""),std::string::npos);
++	EXPECT_NE(txt.find("\"moon_longitude_rate_rad_per_day\""),std::string::npos);
++	EXPECT_NE(txt.find("\"sun_longitude_rad\""),std::string::npos);
++	EXPECT_NE(txt.find("\"sun_longitude_rate_rad_per_day\""),std::string::npos);
++	EXPECT_NE(txt.find("\"detail\":\"state=retrograde\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"events\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"eclipses\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"lunar_eclipse\""),std::string::npos);

metadata/v1/source_web_data/DATA_FORMAT.md

@@ -117,6 +117,13 @@ boundary, ganzhi nodes, 建除, duty god/tag, clashes, harmonies, Pengzu, nayin,
 five elements, fetal god, meridian, direction fields, lunar mansions, gods,
 activities, Yi/Ji level/rule, equation/true-solar time, and all 13 hour slots.
 
+Current CCC exports distinguish `bazi_month` (the month pillar used by the
+four-pillars calculation) from `god_month` (the month used by the profile's
+god/sha rules), and include `god_month_basis`.  Early v1 shards used the
+ambiguous key `month` for what is now `bazi_month`; readers of a mixed v1 tree
+should resolve the month pillar as `bazi_month ?? month`.  The legacy value is
+not a third month concept and is exactly equal to the current `bazi_month`.
+
 Profile defaults come from `make_hli_rule_set`; the generator does not collapse
 their distinct boundaries.  UTC+08 civil midnight is not substituted for a
 profile's Hour-23/Hour-0 Huangli boundary.

metadata/v1/source_web_data/VALIDATION.md

@@ -3,7 +3,7 @@
 - Requested range: 1950..17000
 - Verified years: 15051
 - Failed years: 0
-- Resumed from validated markers: 15051
+- Resumed from validated markers: 14900
 - Checks: 14
 
 The final pass verifies every stored Brotli and gzip artifact, SHA-256, calendar day, four Huangli profiles, eclipse/astro reference, and eclipse contact ordering.

metadata/v1/source_web_data/manifest.json

@@ -1 +1 @@
-{"schema_version":1,"generator":"CalcChineseCalendar web_data streaming finalizer","generator_version":"1.0.3","validator_version":"web-finalize-1","generator_git_commit":"109d82a","source_provenance":{"git_commit":null,"archive":{"name":"CalcChineseCalendar-main (2).zip","bytes":3094260,"sha256":"585dac83d78f9dc1ad8ec2c5fa444665d721c5d1af19837331aa3d5590d9a121"}},"source_version":"test","state_provenance":{"base_generator_versions":{"1.0.2":13992,"1.0.3":1059},"distinct_base_config_fingerprints":5,"eclipse_repair_versions":{"solar-eclipse-full-v2":15051},"note":"Base year provenance is retained; complete solar-eclipse refresh provenance is recorded per state."},"generated_at":"2026-08-22T14:25:53Z","range":{"from":1950,"to":17000},"timezone":"+08:00","lunar_day_timezone":"+08:00","huangli_longitude_deg":120,"ephemeris":[{"id":"de441_part_1","path":"D:\\cdg\\de441_part-1.bsp","bytes":1651119104,"sha256":"13757827f5db41b835a24bbd637488636ce79a8ca754062fed17844f7d5b618e","jd_tdb_start":-3100015.5,"jd_tdb_end":2440432.5},{"id":"de441_part_2","path":"D:\\cdg\\de441_part-2.bsp","bytes":1656830976,"sha256":"3abb17dae2d78dd34880377544aacb54892104a0d4462b322cb9f4454d4887f6","jd_tdb_start":2440400.5,"jd_tdb_end":8000016.5}],"delta_t_model":"SMH2020 historical splines; USNO atomic/monthly observations and predictions; Stephenson-Morrison quadratic-periodic long-term extrapolation","time_scale_policy":{"tdb_tt":"treated as equal at current library precision","delta_t":"TT-UT1","pre_1972_civil_utc":"UT1 approximation","from_1972_utc":"TAI plus built-in leap-second table","future_utc":"last known TAI-UTC offset held fixed; not a leap-second prediction"},"huangli_profiles":["folk","ziping","purple","xieji"],"compression":["brotli","gzip"],"dictionary_version":1,"counts":{"years":15051,"days":5497265,"solar_terms":361225,"lunar_phases":744621,"festivals":195664,"solar_eclipses":35735,"lunar_eclipses":36159,"astro_events":218433381},"sizes":{"raw_json_bytes":82310941629,"encoded_bytes":{"json":0,"brotli":11020191229,"gzip":12800720623},"by_category_encoded_bytes":{"calendar":{"json":0,"brotli":2806887394,"gzip":4054462791},"eclipse":{"json":0,"brotli":76987723,"gzip":82878662},"astro":{"json":0,"brotli":8136316112,"gzip":8663379170}},"average_raw_bytes_per_year":5468802.181183974,"average_raw_calendar_month_bytes":145424.90117489424,"maximum_raw_calendar_month_bytes":161722,"brotli_ratio":0.13388488833806925,"gzip_ratio":0.15551663447973504},"cdn":{"cache_control":"public, max-age=31536000, immutable"}}
+{"schema_version":1,"generator":"CalcChineseCalendar web_data streaming finalizer","generator_version":"1.0.3","validator_version":"web-finalize-1","generator_git_commit":"010b7aa+patch-d092e58d9474","source_provenance":{"git_commit":"010b7aaf8d9d824144c389f7d487cd88e62f0c8e"},"source_version":"test","state_provenance":{"base_generator_versions":{"1.0.2":13841,"1.0.3":1210},"distinct_base_config_fingerprints":6,"eclipse_repair_versions":{"solar-eclipse-full-v2":14900,"timescale-phase-export-regeneration-v1":151},"note":"Base year provenance is retained; complete solar-eclipse refresh provenance is recorded per state."},"generated_at":"2026-08-24T06:47:06Z","range":{"from":1950,"to":17000},"timezone":"+08:00","lunar_day_timezone":"+08:00","huangli_longitude_deg":120,"ephemeris":[{"id":"de441_part_1","path":"D:\\cdg\\de441_part-1.bsp","bytes":1651119104,"sha256":"13757827f5db41b835a24bbd637488636ce79a8ca754062fed17844f7d5b618e","jd_tdb_start":-3100015.5,"jd_tdb_end":2440432.5},{"id":"de441_part_2","path":"D:\\cdg\\de441_part-2.bsp","bytes":1656830976,"sha256":"3abb17dae2d78dd34880377544aacb54892104a0d4462b322cb9f4454d4887f6","jd_tdb_start":2440400.5,"jd_tdb_end":8000016.5}],"delta_t_model":"SMH2020 historical splines; USNO atomic/monthly observations and predictions; Stephenson-Morrison quadratic-periodic long-term extrapolation","time_scale_policy":{"tdb_tt":"treated as equal at current library precision","delta_t":"TT-UT1","pre_1972_civil_utc":"UT1 approximation","from_1972_utc":"TAI plus built-in leap-second table","future_utc":"last known TAI-UTC offset held fixed; not a leap-second prediction"},"huangli_profiles":["folk","ziping","purple","xieji"],"compression":["brotli","gzip"],"dictionary_version":1,"counts":{"years":15051,"days":5497265,"solar_terms":361225,"lunar_phases":744621,"festivals":195664,"solar_eclipses":35735,"lunar_eclipses":36159,"astro_events":218433381},"sizes":{"raw_json_bytes":82325362558,"encoded_bytes":{"json":0,"brotli":11020066749,"gzip":12800979074},"by_category_encoded_bytes":{"calendar":{"json":0,"brotli":2807015410,"gzip":4054709530},"eclipse":{"json":0,"brotli":77046465,"gzip":82935527},"astro":{"json":0,"brotli":8136004874,"gzip":8663334017}},"average_raw_bytes_per_year":5469760.318782805,"average_raw_calendar_month_bytes":145504.22057781322,"maximum_raw_calendar_month_bytes":163948,"brotli_ratio":0.133859923680702,"gzip_ratio":0.15549253202476251},"cdn":{"cache_control":"public, max-age=31536000, immutable"}}

metadata/v1/source_web_data/source-sha256.txt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b98df68efdd6fb574302e24dc3a9f7d58729d7b3b819c3e8400be1e87163f7e
+size 67628751

metadata/v1/source_web_data/validation_report.json

@@ -1 +1 @@
-{"v":1,"validator_version":"web-finalize-1","range":{"from":1950,"to":17000},"checks":["generation_state_verified","artifact_size_and_sha256","brotli_and_gzip_json_parse","compressed_representation_identity","schema_version","twelve_month_inventory","civil_day_continuity_and_count","event_local_date_and_second","huangli_four_profiles","unique_eclipse_and_astro_ids","eclipse_contact_order","no_orphan_event_references","finite_json_numbers","safe_relative_artifact_paths"],"passed_years":15051,"cached_verified_years":15051,"failed_years":0,"source_comparison_days":5497265,"errors":[],"warnings":["Far-future UT1 uses the repository delta-T extrapolation; projected UTC holds the last known leap-second offset fixed.","Far-future UTC+08 civil dates are a stable serialization convention, not observed or legislated future civil time.","Transit and occultation events require an explicitly configured observer.","Generation-time lossless reconstruction is attested by each verified state; finalization rechecks serialized artifacts and references."]}
+{"v":1,"validator_version":"web-finalize-1","range":{"from":1950,"to":17000},"checks":["generation_state_verified","artifact_size_and_sha256","brotli_and_gzip_json_parse","compressed_representation_identity","schema_version","twelve_month_inventory","civil_day_continuity_and_count","event_local_date_and_second","huangli_four_profiles","unique_eclipse_and_astro_ids","eclipse_contact_order","no_orphan_event_references","finite_json_numbers","safe_relative_artifact_paths"],"passed_years":15051,"cached_verified_years":14900,"failed_years":0,"source_comparison_days":5497265,"errors":[],"warnings":["Far-future UT1 uses the repository delta-T extrapolation; projected UTC holds the last known leap-second offset fixed.","Far-future UTC+08 civil dates are a stable serialization convention, not observed or legislated future civil time.","Transit and occultation events require an explicitly configured observer.","Generation-time lossless reconstruction is attested by each verified state; finalization rechecks serialized artifacts and references."]}

sample/2026-08/data/v1/astro_events/astro-events-2026-08.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
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sample/2026-08/data/v1/astro_months/astro-months-2026-08.parquet

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 version https://git-lfs.github.com/spec/v1
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+oid sha256:0d10c3f1afd4acf00c8cd3e6a407e802544f472962bb0df55b708516adf3daa6
 size 1804

sample/2026-08/data/v1/calendar_events/calendar-events-2026-08.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
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sample/2026-08/data/v1/calendar_months/calendar-months-2026-08.parquet

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 version https://git-lfs.github.com/spec/v1
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 size 2916

sample/2026-08/data/v1/days/days-2026-08.parquet

@@ -1,3 +1,3 @@
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sample/2026-08/data/v1/eclipse_years/eclipse-years-2026-08.parquet

@@ -1,3 +1,3 @@
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sample/2026-08/data/v1/lunar_eclipses/lunar-eclipses-2026-08.parquet

@@ -1,3 +1,3 @@
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-size 19055
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sample/2026-08/data/v1/solar_eclipses/solar-eclipses-2026-08.parquet

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sample/2026-08/metadata/v1/parquet-sha256.txt

@@ -1,8 +1,8 @@
-3e890d35f516071d3fae11b8e81e160380312f8845fbff759c4217c7b786e037  data/v1/astro_events/astro-events-2026-08.parquet
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sample/2026-08/metadata/v1/parquet_manifest.json

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sample/2026-08/metadata/v1/parquet_validation_report.json

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-{"v":1,"builder_version":"1.2.0","verifier_version":"1.1.0","generated_at":"2026-08-23T03:01:44Z","blocks":1,"passed_blocks":1,"failed_blocks":0,"checked_files":3,"checked_bytes":56221,"verified_tables":["days","eclipse_years","solar_eclipses"],"preserved_tables":["calendar_months","calendar_events","astro_months","astro_events","lunar_eclipses"],"counts":{"days":31,"calendar_months":1,"calendar_events":6,"astro_months":1,"astro_events":1288,"eclipse_years":1,"solar_eclipses":1,"lunar_eclipses":1},"checks":["committed_state","artifact_size","artifact_sha256","parquet_schema_metadata","row_count","canonical_json_parse","length_delimited_source_digest"],"errors":[]}
+{"v":1,"builder_version":"1.2.0","verifier_version":"1.1.0","generated_at":"2026-08-24T06:55:27Z","blocks":1,"passed_blocks":1,"failed_blocks":0,"checked_files":8,"checked_bytes":193471,"verified_tables":["days","calendar_months","calendar_events","astro_months","astro_events","eclipse_years","solar_eclipses","lunar_eclipses"],"preserved_tables":[],"counts":{"days":31,"calendar_months":1,"calendar_events":6,"astro_months":1,"astro_events":1288,"eclipse_years":1,"solar_eclipses":1,"lunar_eclipses":1},"checks":["committed_state","artifact_size","artifact_sha256","parquet_schema_metadata","row_count","canonical_json_parse","length_delimited_source_digest"],"errors":[]}

sample/2026-08/metadata/v1/source_web_data/CCC-local-fixes.patch

@@ -0,0 +1,425 @@
+diff --git a/include/lunar/events.hpp b/include/lunar/events.hpp
+index 12d54fd..eb77998 100644
+--- a/include/lunar/events.hpp
++++ b/include/lunar/events.hpp
+@@ -12,6 +12,9 @@ struct EventRec{
+ 	double jd_utc=std::numeric_limits<double>::quiet_NaN();
+ 	std::string utc_iso;
+ 	std::string loc_iso;
++	// Optional source-specific technical payload.  Astronomy events use this
++	// for quantities such as greatest elongation/separation and motion state.
++	std::string detail;
+ };
+ 
+ struct MonthRec{
+diff --git a/include/lunar/spc_ephem.hpp b/include/lunar/spc_ephem.hpp
+index e8de452..074d63e 100644
+--- a/include/lunar/spc_ephem.hpp
++++ b/include/lunar/spc_ephem.hpp
+@@ -37,6 +37,7 @@ struct EphRead{
+ 	int MOON;
+ 	std::map<int,std::string> id_name;
+ 	std::shared_ptr<SpkFile> kern;
++	std::vector<std::shared_ptr<SpkFile>> kerns;
+ 	bool kern_loaded=false;
+ 	bool use_series=false;
+ 
+diff --git a/src/calendar.cpp b/src/calendar.cpp
+index a849db2..1c13b52 100644
+--- a/src/calendar.cpp
++++ b/src/calendar.cpp
+@@ -384,17 +384,14 @@ YearResult SolLunCal::compute_year(int year,std::ostream*log){
+ 
+ 	const auto&phase_defs=lp_defs();
+ 	const auto&offsets=lp_offs();
++	const double first_nm=newton(
++		"lunar",jd_anch,phase_defs.at("new_moon").angle);
+ 
+ 	for(int idx=0;idx<18;++idx){
+-		double base_jd=jd_anch+idx*SYNODDAY;
+-		for(const auto&ph : phase_defs){
+-			const std::string&key=ph.first;
+-			double ang=ph.second.angle;
+-			double offset=offsets.at(key);
+-			double guess=base_jd+offset;
+-			tasks.push_back({"lunar",ang,guess,1e-8,20});
+-			metas.push_back({false,"",0,key,idx});
+-		}
++		const double guess=first_nm+idx*SYNODDAY;
++		tasks.push_back(
++			{"lunar",phase_defs.at("new_moon").angle,guess,1e-8,20});
++		metas.push_back({false,"",0,"new_moon",idx});
+ 	}
+ 
+ 	auto task_out=run_roots(tasks);
+@@ -432,6 +429,41 @@ YearResult SolLunCal::compute_year(int year,std::ostream*log){
+ 		}
+ 	}
+ 
++	// Anchor every quarter/full phase to the actual new moon of its lunation.
++	// Solving all four phases from independent fixed guesses can converge one
++	// of them to an adjacent lunation when the varying synodic month length
++	// accumulates near the branch boundary.
++	std::vector<RootTask> phase_tasks;
++	std::vector<TaskMeta> phase_metas;
++	for(int idx=0;idx<18;++idx){
++		auto it_nm=lun_res.find({"new_moon",idx});
++		if(it_nm==lun_res.end()){
++			continue;
++		}
++		for(const auto&ph : phase_defs){
++			const std::string&key=ph.first;
++			if(key=="new_moon"){
++				continue;
++			}
++			const double guess=it_nm->second+offsets.at(key);
++			phase_tasks.push_back(
++				{"lunar",ph.second.angle,guess,1e-8,20});
++			phase_metas.push_back({false,"",0,key,idx});
++		}
++	}
++	const auto phase_out=run_roots(phase_tasks);
++	for(std::size_t i=0;i<phase_tasks.size();++i){
++		if(!phase_out.second[i].empty()){
++			if(log){
++				(*log)<<"  Lunar phase task "<<i<<" failed: "
++					  <<phase_out.second[i]<<std::endl;
++			}
++			continue;
++		}
++		const auto&meta=phase_metas[i];
++		lun_res[{meta.lp_key,meta.lp_idx}]=phase_out.first[i];
++	}
++
+ 	if(std::isnan(ws_prevjd)){
+ 		throw std::runtime_error("未能求解上一年冬至");
+ 	}
+diff --git a/src/query/cmd_export.cpp b/src/query/cmd_export.cpp
+index 8e06b95..dd22d6e 100644
+--- a/src/query/cmd_export.cpp
++++ b/src/query/cmd_export.cpp
+@@ -645,8 +645,18 @@ void write_export_day_json(JsonWriter&w,const ExportOpt&opt,
+ 	w.obj_end();
+ 	w.key("moon");
+ 	w.obj_begin();
++	w.key("elongation_rad");
++	w.value(atd.elong);
+ 	w.key("elongation_deg");
+ 	w.value(atd.elong_deg);
++	w.key("moon_longitude_rad");
++	w.value(atd.lam_m);
++	w.key("moon_longitude_rate_rad_per_day");
++	w.value(atd.lam_m_dot);
++	w.key("sun_longitude_rad");
++	w.value(atd.lam_s);
++	w.key("sun_longitude_rate_rad_per_day");
++	w.value(atd.lam_s_dot);
+ 	w.key("ill_frac");
+ 	w.value(atd.ill_frac);
+ 	w.key("ill_pct");
+diff --git a/src/query/cmd_info_cfg_comp.cpp b/src/query/cmd_info_cfg_comp.cpp
+index 0d5dbfb..30109e1 100644
+--- a/src/query/cmd_info_cfg_comp.cpp
++++ b/src/query/cmd_info_cfg_comp.cpp
+@@ -292,8 +292,9 @@ void write_info(std::ostream&os,const InfoOpt&opt,const InfoRes&res){
+ 			 w.key("leap_last");
+ 			 w.value("2017-01-01");
+ 			 w.key("delt_str");
+-			 w.value("year<1970 or year>2026: em53; [1972,2026]: leap table; "
+-					 "[1970,1972): legacy");
++			 w.value("SMH2020 historical splines; USNO atomic/monthly "
++					 "observations and predictions; Stephenson-Morrison "
++					 "long-term extrapolation");
+ 			 w.key("spk_cov");
+ 			 if(res.has_cov){
+ 				 w.obj_begin();
+@@ -323,8 +324,9 @@ void write_info(std::ostream&os,const InfoOpt&opt,const InfoRes&res){
+ 			 os<<"ephem.exists="<<(res.exists?"1":"0")<<"\n";
+ 			 os<<"ephem.fsize_b="<<res.size<<"\n";
+ 			 os<<"timescale.leap_last=2017-01-01\n";
+-			 os<<"timescale.delt_str=year<1970 or year>2026: em53; "
+-			   "[1972,2026]: leap table; [1970,1972): legacy\n";
++			 os<<"timescale.delt_str=SMH2020 historical splines; USNO "
++			   "atomic/monthly observations and predictions; "
++			   "Stephenson-Morrison long-term extrapolation\n";
+ 			 if(res.has_cov){
+ 				 os<<"spk.jd_tstart="<<format_num(res.jd_start)<<"\n";
+ 				 os<<"spk.jd_tdb_end="<<format_num(res.jd_end)<<"\n";
+diff --git a/src/query/core/base.cpp b/src/query/core/base.cpp
+index 10334f6..26ec2c9 100644
+--- a/src/query/core/base.cpp
++++ b/src/query/core/base.cpp
+@@ -386,6 +386,7 @@ EventRec mk_astro_rec(const AstroEvt&src,int tz_off){
+ 	out.jd_tdb=TimeScale::utc_to_tdb(src.jd_utc);
+ 	out.utc_iso=fmt_iso(src.jd_utc,0,true);
+ 	out.loc_iso=fmt_iso(src.jd_utc,tz_off,true);
++	out.detail=src.detail;
+ 	return out;
+ }
+ 
+diff --git a/src/query/core/evt.cpp b/src/query/core/evt.cpp
+index 40950f3..155497f 100644
+--- a/src/query/core/evt.cpp
++++ b/src/query/core/evt.cpp
+@@ -89,6 +89,10 @@ void wr_ejson(JsonWriter&w,const EventRec&ev,EphRead&eph,bool calc_eclipse=false
+ 	w.value(ev.utc_iso);
+ 	w.key("loc_iso");
+ 	w.value(ev.loc_iso);
++	if(!ev.detail.empty()){
++		w.key("detail");
++		w.value(ev.detail);
++	}
+ 	if(ev.kind=="lunar_eclipse"){
+ 		w.key("lunar_eclipse");
+ 		LunarEclipse ecl=calc_ecl_for_event(eph,ev);
+diff --git a/src/spc_ephem.cpp b/src/spc_ephem.cpp
+index df60fdf..e2ae0b1 100644
+--- a/src/spc_ephem.cpp
++++ b/src/spc_ephem.cpp
+@@ -2714,6 +2714,30 @@ struct SpkFile{
+ 		State6 o=to_ssb(observer,et,memo,active);
+ 		return t-o;
+ 	}
++
++	bool covers_to_ssb(int target,double et,
++					   std::unordered_set<int>&active) const{
++		if(target==0){
++			return true;
++		}
++		if(!active.insert(target).second){
++			return false;
++		}
++		const SpkSeg*seg=pick_segment(target,et);
++		const bool covered=seg!=nullptr&&covers_to_ssb(seg->center,et,active);
++		active.erase(target);
++		return covered;
++	}
++
++	bool covers_state(int target,int observer,double et) const{
++		std::unordered_set<int> active;
++		active.reserve(16U);
++		if(!covers_to_ssb(target,et,active)){
++			return false;
++		}
++		active.clear();
++		return covers_to_ssb(observer,et,active);
++	}
+ };
+ 
+ namespace{
+@@ -2887,6 +2911,25 @@ const std::vector<int>&series_object_ids(){
+ 
+ #endif
+ 
++std::vector<std::string>split_ephemeris_paths(const std::string&filepath){
++	std::vector<std::string> out;
++	std::size_t begin=0;
++	while(begin<=filepath.size()){
++		std::size_t end=filepath.find('|',begin);
++		std::string item=filepath.substr(
++			begin,end==std::string::npos?std::string::npos:end-begin);
++		if(item.empty()){
++			throw std::runtime_error("empty path in composite ephemeris");
++		}
++		out.push_back(std::move(item));
++		if(end==std::string::npos){
++			break;
++		}
++		begin=end+1;
++	}
++	return out;
++}
++
+ }
+ 
+ EphRead::EphRead(const std::string&path){
+@@ -2932,18 +2975,28 @@ void EphRead::load_kern(){
+ 		return;
+ 	}
+ #endif
+-	if(!fs::exists(filepath)){
+-		throw std::runtime_error("ephemeris file not found: "+filepath);
+-	}
++	const std::vector<std::string> paths=split_ephemeris_paths(filepath);
++	for(const std::string&path : paths){
++		if(is_series_ephem(path)){
++			throw std::runtime_error(
++				"series backend cannot be mixed into a composite ephemeris");
++		}
++		if(!fs::exists(path)){
++			throw std::runtime_error("ephemeris file not found: "+path);
++		}
+ 
+-	std::error_code ec;
+-	auto fsize=fs::file_size(filepath,ec);
+-	if(ec||fsize==0){
+-		throw std::runtime_error("ephemeris file is not readable or empty: "+
+-								 filepath);
++		std::error_code ec;
++		auto fsize=fs::file_size(path,ec);
++		if(ec||fsize==0){
++			throw std::runtime_error("ephemeris file is not readable or empty: "+
++									 path);
++		}
++		kerns.push_back(acq_kernel(path));
+ 	}
+-
+-	kern=acq_kernel(filepath);
++	if(kerns.empty()){
++		throw std::runtime_error("no ephemeris kernels were loaded");
++	}
++	kern=kerns.front();
+ 	kern_loaded=true;
+ 
+ 	if(use_series){
+@@ -2967,8 +3020,11 @@ void EphRead::val_kern(){
+ 	if(use_series){
+ 		return;
+ 	}
+-	if(kern->obj_ids.empty()){
+-		throw std::runtime_error("No SPK segments found in ephemeris "+filepath);
++	for(const auto&item : kerns){
++		if(item->obj_ids.empty()){
++			throw std::runtime_error("No SPK segments found in ephemeris "+
++									 item->filepath);
++		}
+ 	}
+ }
+ 
+@@ -2987,7 +3043,19 @@ std::pair<PosKm3,VelKmSec3> EphRead::get_state_et_km(int target,int observer,
+ 		return {pos,vel};
+ 	}
+ #endif
+-	State6 st=kern->rel_state(target,observer,et_tdb);
++	State6 st;
++	bool found=false;
++	for(const auto&item : kerns){
++		if(item->covers_state(target,observer,et_tdb)){
++			st=item->rel_state(target,observer,et_tdb);
++			found=true;
++			break;
++		}
++	}
++	if(!found){
++		throw std::runtime_error(
++			"no composite SPK kernel covers the requested state");
++	}
+ 	PosKm3 pos(st.px,st.py,st.pz);
+ 	VelKmSec3 vel(st.vx,st.vy,st.vz);
+ 	return {pos,vel};
+@@ -3034,7 +3102,13 @@ std::vector<int> EphRead::spk_objects(){
+ 		return series_object_ids();
+ 	}
+ #endif
+-	return kern->obj_ids;
++	std::vector<int> out;
++	for(const auto&item : kerns){
++		out.insert(out.end(),item->obj_ids.begin(),item->obj_ids.end());
++	}
++	std::sort(out.begin(),out.end());
++	out.erase(std::unique(out.begin(),out.end()),out.end());
++	return out;
+ }
+ 
+ std::vector<std::pair<double,double>> EphRead::spk_coverage(int obj){
+@@ -3045,9 +3119,21 @@ std::vector<std::pair<double,double>> EphRead::spk_coverage(int obj){
+ 		return {};
+ 	}
+ #endif
+-	auto it=kern->cover_map.find(obj);
+-	if(it==kern->cover_map.end()){
+-		return {};
++	std::vector<std::pair<double,double>> out;
++	for(const auto&item : kerns){
++		auto it=item->cover_map.find(obj);
++		if(it!=item->cover_map.end()){
++			out.insert(out.end(),it->second.begin(),it->second.end());
++		}
+ 	}
+-	return it->second;
++	std::sort(out.begin(),out.end());
++	std::vector<std::pair<double,double>> merged;
++	for(const auto&span : out){
++		if(merged.empty()||span.first>merged.back().second){
++			merged.push_back(span);
++		}else{
++			merged.back().second=std::max(merged.back().second,span.second);
++		}
++	}
++	return merged;
+ }
+diff --git a/tests/test_core_cli.cpp b/tests/test_core_cli.cpp
+index b773345..cf5b021 100644
+--- a/tests/test_core_cli.cpp
++++ b/tests/test_core_cli.cpp
+@@ -116,6 +116,57 @@ TEST(CalendarSeries, YearHasTermsAndPhases){
+ 	EXPECT_GE(year.lun_phase.size()*4u,48u);
+ }
+ 
++TEST(CalendarSeries, LunarPhasesStayInTheirAnchoredLunation){
++#if LUNAR_ENABLE_SERIES_FALLBACK
++	EphRead eph("@series");
++	SolLunCal solver(eph);
++	for(int year : {1958,1977,1987}){
++		const YearResult result=solver.compute_year(year,nullptr);
++		ASSERT_GE(result.lun_phase.size(),12u)<<year;
++		for(std::size_t i=0;i<result.lun_phase.size();++i){
++			const MoonPhMon&phase=result.lun_phase[i];
++			const double nm=phase.new_moon.toUtcJD();
++			const double fq=phase.fst_qtr.toUtcJD();
++			const double fm=phase.full_moon.toUtcJD();
++			const double lq=phase.lst_qtr.toUtcJD();
++			EXPECT_LT(nm,fq)<<year<<" lunation "<<i;
++			EXPECT_LT(fq,fm)<<year<<" lunation "<<i;
++			EXPECT_LT(fm,lq)<<year<<" lunation "<<i;
++			if(i+1<result.lun_phase.size()){
++				EXPECT_LT(lq,result.lun_phase[i+1].new_moon.toUtcJD())
++					<<year<<" lunation "<<i;
++			}
++		}
++	}
++#else
++	GTEST_SKIP()<<"requires series fallback";
++#endif
++}
++
++TEST(Ephemeris, CompositePathsMatchSingleKernel){
++	if(!has_reference_bsp()){
++		GTEST_SKIP()<<"requires LUNAR_TEST_BSP or a repository BSP";
++	}
++	const std::string path=reference_bsp();
++	EphRead single(path);
++	EphRead composite(path+"|"+path);
++	const auto coverage=single.spk_coverage(single.EARTH);
++	ASSERT_FALSE(coverage.empty());
++	const double et=(coverage.front().first+coverage.front().second)*0.5;
++	const auto expected=single.get_state_et_km(single.SUN,single.EARTH,et);
++	const auto actual=composite.get_state_et_km(
++		composite.SUN,composite.EARTH,et);
++	EXPECT_DOUBLE_EQ(expected.first.x,actual.first.x);
++	EXPECT_DOUBLE_EQ(expected.first.y,actual.first.y);
++	EXPECT_DOUBLE_EQ(expected.first.z,actual.first.z);
++	EXPECT_DOUBLE_EQ(expected.second.x,actual.second.x);
++	EXPECT_DOUBLE_EQ(expected.second.y,actual.second.y);
++	EXPECT_DOUBLE_EQ(expected.second.z,actual.second.z);
++	EXPECT_EQ(single.spk_objects(),composite.spk_objects());
++	EXPECT_EQ(single.spk_coverage(single.EARTH),
++			  composite.spk_coverage(composite.EARTH));
++}
++
+ TEST(CoreGanzhi, ThinApisMatchDayAndCApi){
+ 	if(!has_test_ephem()){
+ 		GTEST_SKIP()<<"requires series fallback or LUNAR_TEST_BSP";
+@@ -1006,6 +1057,12 @@ TEST(CliExport, FullJsonIncludesEventsEclipsesAstroAndAllHuangli){
+ 	EXPECT_NE(txt.find("\"greg_date\":\"2025-09-01\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"lunar_date\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"ganzhi\""),std::string::npos);
++	EXPECT_NE(txt.find("\"elongation_rad\""),std::string::npos);
++	EXPECT_NE(txt.find("\"moon_longitude_rad\""),std::string::npos);
++	EXPECT_NE(txt.find("\"moon_longitude_rate_rad_per_day\""),std::string::npos);
++	EXPECT_NE(txt.find("\"sun_longitude_rad\""),std::string::npos);
++	EXPECT_NE(txt.find("\"sun_longitude_rate_rad_per_day\""),std::string::npos);
++	EXPECT_NE(txt.find("\"detail\":\"state=retrograde\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"events\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"eclipses\""),std::string::npos);
+ 	EXPECT_NE(txt.find("\"lunar_eclipse\""),std::string::npos);

sample/2026-08/metadata/v1/source_web_data/DATA_FORMAT.md

@@ -117,6 +117,13 @@ boundary, ganzhi nodes, 建除, duty god/tag, clashes, harmonies, Pengzu, nayin,
 five elements, fetal god, meridian, direction fields, lunar mansions, gods,
 activities, Yi/Ji level/rule, equation/true-solar time, and all 13 hour slots.
 
+Current CCC exports distinguish `bazi_month` (the month pillar used by the
+four-pillars calculation) from `god_month` (the month used by the profile's
+god/sha rules), and include `god_month_basis`.  Early v1 shards used the
+ambiguous key `month` for what is now `bazi_month`; readers of a mixed v1 tree
+should resolve the month pillar as `bazi_month ?? month`.  The legacy value is
+not a third month concept and is exactly equal to the current `bazi_month`.
+
 Profile defaults come from `make_hli_rule_set`; the generator does not collapse
 their distinct boundaries.  UTC+08 civil midnight is not substituted for a
 profile's Hour-23/Hour-0 Huangli boundary.

sample/2026-08/metadata/v1/source_web_data/VALIDATION.md

@@ -3,7 +3,7 @@
 - Requested range: 1950..17000
 - Verified years: 15051
 - Failed years: 0
-- Resumed from validated markers: 15051
+- Resumed from validated markers: 14900
 - Checks: 14
 
 The final pass verifies every stored Brotli and gzip artifact, SHA-256, calendar day, four Huangli profiles, eclipse/astro reference, and eclipse contact ordering.

sample/2026-08/metadata/v1/source_web_data/manifest.json

@@ -1 +1 @@
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sample/2026-08/metadata/v1/source_web_data/validation_report.json

@@ -1 +1 @@
-{"v":1,"validator_version":"web-finalize-1","range":{"from":1950,"to":17000},"checks":["generation_state_verified","artifact_size_and_sha256","brotli_and_gzip_json_parse","compressed_representation_identity","schema_version","twelve_month_inventory","civil_day_continuity_and_count","event_local_date_and_second","huangli_four_profiles","unique_eclipse_and_astro_ids","eclipse_contact_order","no_orphan_event_references","finite_json_numbers","safe_relative_artifact_paths"],"passed_years":15051,"cached_verified_years":15051,"failed_years":0,"source_comparison_days":5497265,"errors":[],"warnings":["Far-future UT1 uses the repository delta-T extrapolation; projected UTC holds the last known leap-second offset fixed.","Far-future UTC+08 civil dates are a stable serialization convention, not observed or legislated future civil time.","Transit and occultation events require an explicitly configured observer.","Generation-time lossless reconstruction is attested by each verified state; finalization rechecks serialized artifacts and references."]}
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