docker: production image + Gitea Actions for monthly refresh

Dockerfile: self-contained image with corpus + Chroma + BM25 baked
in. Drawbar's compose pulls + runs without volume mounts. Built from
sources.json (labels schema), PRODUCT_NAME=crop_chem by default,
HYBRID_SEARCH=true (always-on for production quality). RERANK_URL +
OLLAMA_URL get set at compose time.

.gitea/workflows/refresh.yml: monthly cron (1st @ 06:00 UTC) does
full scrape → reindex → image push. Scrapes Bayer (~30 min) +
EPA PPLS row-crop filtered (~7h). Skips reindex+push if no corpus
diff. Tags pushed: :latest, :<sha12>, :corpus-<YYYY.MM.DD>.

.gitea/workflows/image-only.yml: on-demand or auto on code-only
pushes to main (paths: docs_mcp/, rag/, scrape/, requirements.txt,
Dockerfile, sources.json). Reindexes from committed corpus, builds
image, pushes. ~10 min vs ~9h full refresh.

.gitignore: corpus/ now COMMITTED (4,159 labels, 265 MB of .md +
sidecars). Lets image-only.yml rebuild indexes without re-scraping.
chroma/ + bm25/ still gitignored (regenerable binary indexes).

.dockerignore: drops venv, eval results, PLAN/README/CLAUDE.md,
deploy/, .git/ — keeps the image lean. corpus + chroma + bm25
explicitly NOT in dockerignore (those go INTO the image).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

corpus/epa_ppls/34704-244.md

@@ -0,0 +1,188 @@
+# BAIRD'S PE PRE-EMERGENCE TYPE WATER SOLUBLE DINITRO WEED KILLER
+
+- EPA Reg No: **34704-244**
+- Registrant: LOVELAND PRODUCTS, INC.
+- Signal word: Danger
+- Active ingredients: Triethanolamine dinoseb ( 2-sec-Butyl-4,6-dinitrophenol ) (51%)
+- Label accepted: 1983-03-14
+- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000551-00181-19830314.pdf
+
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+Itle II"pslal,(''1 "",It':'" ,r,O:! qr ... el.J'(' 1(, p.-. 
+j;lrole...led 1="0< .lO~·(P. COI1.~I'~""g (. Ht:<'! l("'!'(1 
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+fesCurces In !.1'uCl"".U "", .. I {.G'lirryi 
+Cor.lan',n<l:,Qn 01 r\;b'·r d";J pr,~a:c >l.d:l'r 
+suppl,es mu11 b@' ho,ded 01" IOllo\otolng ,t>pSe 
+preCaul'OnS Use aflt.·b~o:l(·I,·O .... t'Qu,prr.f'''' (. 
+prOCedures 10 prevent s.pt:onage 01 pE:~IICH1e 
+bilCk rnlo w.ler SUPP"!''i Do not tr(.'al Sltuclt.res 
+ttl.1 con laIn c;sl!'rns or .... ells ... ,Ih'n the 
+foundatIon Salt around str~clures .... ,th 'Aell Ilf 
+Cistern close 10 !he IOlJndal,CI1 can be Ireal('d as 
+touows Do HoI Appty U".FP ..... ur •• SOIl Should 
+be removed 10 an area sale from well or domesllc 
+water confamrnllon, treated aHO"o'lcd 10 sl~nd 
+undlslurbed fOr two to lOllf hours Ihen rplurned to 
+the trench which 1'185 b@leol,f'led_lln" mil plasllc 
+sheeting Be carehJI rlol to puncture pinlle 
+Sheetrng 'oIihen returning 500.110 Ihe Ireneh Do (;O! 
+treat $011 thaI IS water salurated or 1t0Ien Con!.ull 
+SoI.le and local speelfIC~"ons for .ecQ'W'nerdea 
+dIstances 01 treal~enl altas from ""Jilts and refer •• p 
+10 Federll HOllS189 'd,.lmilralton Spee,llc.al,or>!> t 
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+a Rodd,ng <'Ind or It@IlCh,n~ ap;J"::.)!Iu-s 
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+b Tr~neh r.e-ed no! be ...... 'der '''<in f. ,rtlll@'> 
+C Rod nc. es ~hould e_leod IrO"1I~e base o· !rot" 
+!1(Teh 1.:1 Ihe I'JD of Ir.e toot.t"lq ..... " Sl'll .10 h' 
+spaee:1 Idbe ... 1 IU:J1j to jJ'o •• ·~e ~ (on:, ... .;{.. .. s 
+tart,p. 
+d Em'JI~·O<llCr SO!ul'onl snou·J te n <H"J ,,",!Il 
+the s('!1 as 1115 be'''g repl.lee:1 In Ih@ Irf'n(~, eOo'er 
+Irpaled $0,1 ""llh it l.:Ifer of I,:nlrea!@d ~Otl orolhf'r 
+slJ'l~ble barfl~r SUCh as Dolyelhyl(>ne she@lt~g 
+All noneSMflllaI .. goatVi~ ce1r4lQ.5.i con!a1n'ng ••• 
+mllerr,lS InCludIng scr<lP (In-j form toardS 
+should be remOo'ecllrom arOund 10undallO'1l1UlIS 
+ctlwl spac., and porches Th;s does nOI ,ncfudf' 
+.'illlOg structural so~ c~nlacl:",cod ltJN ellhN 
+~ Ho!!ow brick IOuf1daltOrlS or ~o!dS of rraSO'HI' 
+S"J;;!d De tre~led 10 ma6!.!' a continuoUS :r~r:"I!C<l' 
+••• b.H,'er I
+r
+, ,Clas Apply a: me ralp of 2 9"lIo'1S (:' 
+• @rrl'~i~oI0n (01 solut.onl per 10 I,near fcel!>G ,I ..... 'j 
+• : 'ea(;h Ihe footing haa beotn or needs 10 0. '(!'at." • ..... .. .. . ... . .. • .. .. It. • .. .. . .. . . . .. 
+~DLORDJ 
+EMULSIFIABLE 
+, i 
+IN~RT '""GREOiENTS 
+Ljfa l 
+736' 
+224~ 
+4 0';, 
+1000., 
+'OctaL 11,'"ro-4 7 - Me'h,noleltahydromdan~ 
+.... H)~ <1nd ({'Ial--d C()1'TIIPf):Jl"ldS 29 , .. , 
+'Con! .. 'r>~ e !M of ChlOtdanf! :Jpr U S gaUcm at 
+70' r I 
+KEEP OUT OF REACH OF CHILDREN. 
+WARNING 
+ST A TE,....,fN T OF PAAC TICAL TREA TMENT 
+II s ..... allowed - Call a phySICIan 01 POISOIl Control 
+(entel Im:nedlalely Drlllk. 0nf'! Of two glasses 01 
+· ... ,)Ier .:rno ,ndllCC {Omllmg by luud1lng the t'lack of 
+thr(}itt Wllh ItngN Repeal unltl ",('mll hUld IS clear 
+00 flot !l"Lc1l1l.(> ... emiling or give anythIng by mouth 
+t'J ill) ,"lconSCIOUS p .. rson 
+I! mhaled . Remove vlclim 10 fresh air Apply 
+.IrltllCI31 re~puatrcn If indIcated 
+II on skrn - Remove contamLnated clothing and 
+wash atlecttd areas WIth soap and water 
+If 10 eyes - Flush eyes wllh plenty of water Get 
+medIcal attenhon Immecf/ately 
+PRECAUTIONARY STATEMENTS 
+H.,.rde to Humane and DomHtlC Ankna&l 
+WARNING -nay be fatal If $'lNallowed Do nol 
+brL'alhe va~o( du!t, or spray mist Do n("lt get In 
+eyes on SkIn or clothing In case of skin conlact. 
+w-<lsh Immedlatel.,. w.lh soap and wa:cr AVOid 
+c:)nlamlnahlJn of feftd and fOOdstuffs 
+ENVIRONMENTAL HAZAROS 
+1 tliS prOduct IS tOXIC to 1t5h. bIrds a("ld other Wild­
+life 00 nol contaminate water by cleaning of 
+eqUipment. or dl!pos.1 of wastes Apply (hi .. 
+prOduct only '1 ,peclfled on thl' labe' 
+EPA EST, 551,MA. ,1 U,S,STD" 
+-
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+. ..." . 
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+POISON 
+) 
+/ 
+, , 
+-. 
+UN 2780 '" 
+I, 
+SUBSTITUTED 
+NITROPHENOL 
+PESTICIDE. LIQUID. NOS 
+UN 2780 
+. ., 
+. ~ .. 
+F'LAMMABLE LIQUIO'