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/279-2806.md

@@ -0,0 +1,114 @@
+# NIAGARA DIAZINON 5 DUST INSECTICIDE
+
+- EPA Reg No: **279-2806**
+- Registrant: FMC CORPORATION 
+- Signal word: Caution
+- Active ingredients: Diazinon (5%)
+- Label accepted: 1971-05-27
+- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000279-02806-19710527.pdf
+
+---
+- I 
+. . .. 
+CCOE 
+DIRECTIONS FOR USE 
+PEPPERS: ~,p~i,ds, ?erpentine Leaf Miners - Use 30 Ibs. 
+per dcre. Do not apply within 5 days of harvest. Wire­
+worrns, C~~s - Apply 80 Ibs. per acre just prior to 
+planting and work into the top 3 to 6 inches of soil. 
+SyGARC6Nf: Wi!.~~~!.'1s - Use ao Ibs. per acre. Ap­
+ply in a 12 inch band over seed pieces in open furrow at 
+time of planting. 
+ONION: Thrips - U~e 20 Ibs per acre. Do not apply 
+within 10 daY$ of harvest. 
+BEANS: Aphids, Bean Beetles, Leaf...M,iners - Use 20 to 
+3(flbs. perCiCre. Do~otapply within7 days ofbeanhar­
+vest. I 
+F~)T.A.TO: Ae.~i?s: Flea Beetle;, Color~doPotato Beetles, I 
+Dipterous lear !\f .. ners - Use ,,0 to 30 ,bs. per acre. Do, 
+no cppiy within 14 days of harvest. 
+CORN, (OJATO: Wireworms, Cutworms- Prior to plant­
+ing U5e 60 to 80 Ibs. per acre just prior to the last har­
+rowing to mix the dust into the top 4 to 5 i,lches of soil. 
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+INSECTICIDE 
+U.· S. D. A. Reg. No. 279-2806 
+ACTIVE INGREDIENT: 
+*O,o-Diethyl O-(2-isopropyl-6-methyl-4-
+pyrimidinyl) phosphoroth ioote -------------- 5. OC7o 
+INERT INGREDIENTS: ----------------------95.0% 
+100.~c 
+U. S. Patent No. 2,754,243 
+*Diazinon 
+KEEP OUT OF REACH OF CHILDREN 
+Harmful if swallowed. Avoid breathing of dust. May 
+cause irritation of nose and throat. May be absorbed 
+through skin. Avoid contact with skin, eyes and cloth­
+inc. Wash thoroughly after handl ing. Avoid storage near 
+food and fe;:ed produc ts. I 
+I I 
+I 
+i 
+I 
+I 
+USAGE CAUTIONS 
+This product is toxic to fish and wildlife. Keep out of 
+anybody of water. Do not.applywhen weather conditions 
+favor drift from areas treated. Do ncr contaminate water 
+by cleaning of equipment or disposal of wastes. Apply 
+this product only as specified on this label. Birds feed­
+ing on treated areas may be killed. 
+This product is highly toxic to bees exposed 70 direct 
+treatment or residues on crops. Protectjv~ inforr.;atiora 
+may be obtained from your Cooperative Agricultwral Ex­
+tensic . Service. 
+Disc~lse of wastes by burying in non-.:rop land:; aW::lY frcm 
+wcter supplies. Container should be disposed of by bury­
+ing with wastes or by burning. Keep out of smoke. 
+. ... "'" , 
+10" Diazincn is a registered tracbmark of Geigy Agricultural Chemicals Company Prb:cd .. u. s. A..
+
+ADDITIONAL INFORMATION APPEARING ON BAGS TO WHICH THIS LABEL WILL BE ATTACHED. 
+~,~ 
+.~iaga,·a 
+· .. A-b·C-€ P ,l~-9- , 
+IN:'fR ~~YFt~~ctl:~[ I fUHt;ICI[lt AND RODENTlCiJE Acr 
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