Sync datasheet-extractor skill assets

SKILL.md

@@ -5,8 +5,10 @@ description: >-
   template (18 component types incl. resistors, capacitors, inductors, diodes,
   transistors, ICs, protection, power modules, connectors, sensors, and more).
   Column A = MPN_make_typeid (make = first word of manufacturer, typeid from the
-  taxonomy). Writes one Excel file per type with a Meta sheet holding the template
-  version, assembles a per-part DFS folder (datasheet, Altium footprint, Altium symbol), and pushes
+  taxonomy). Writes ONE master workbook (Components_Master.xlsx) with sheets only for the
+  types whose datasheets were provided, plus a Meta sheet at the end (template version,
+  total components, date, time), assembles
+  a per-part DFS folder (datasheet, Altium footprint, Altium symbol), and pushes
   design files to the Gitea DFS repo, Excel outputs to the Parameters repo, and skill
   files plus templates to the Skill_Assets repo. Also appends new parameters to a
   template as a new version. Use WHENEVER the user uploads component datasheets and
@@ -55,9 +57,11 @@ Column A of every sheet (header `MPN_make_type`) and each DFS folder name is:
 3. **Extract values** into that type's columns (headers come from
    `assets/template/template.xlsx`). Convert to each header's unit; leave blank if the
    datasheet doesn't state it (an honest blank beats a guess).
-4. **Build the Excel outputs** with `scripts/fill_templates.py` — one `<Type>.xlsx` per
-   type present, column A = `MPN_make_typeid`, plus a **Meta** sheet holding the template
-   version. (See Producing outputs.)
+4. **Build the master workbook** with `scripts/fill_templates.py` — a single
+   `Components_Master.xlsx` that mirrors the template but keeps **only the sheets for the
+   types you actually extracted** (the components whose datasheets were given), each with
+   column A = `MPN_make_typeid`, and a single **Meta** sheet appended at the end. (See
+   Producing outputs.)
 5. **Assemble each part's DFS folder** `MPN_make_typeid/` containing `MPN_data` (the
    datasheet), `MPN_fp` (footprint), `MPN_sym` (symbol). See Footprint & symbol.
 6. **Push everything to Gitea — automatically.** At the end of a run, push all outputs to
@@ -83,9 +87,17 @@ python scripts/fill_templates.py parts.json \
   --template assets/template/template.xlsx --dest <outputs-dir>
 ```
 
-Produces one `<Type>.xlsx` per type present (only types with parts), each with a **Meta**
-sheet (Template Version, date, type, part count). Deliver these files to the user, and
-push them to the Parameters repo.
+Produces a **single** `Components_Master.xlsx`. It starts from a copy of the reference
+template (so every kept sheet keeps its exact headers, styling, widths and freeze), fills
+this run's parts into the matching sheet (column A = `MPN_make_typeid`), then **drops every
+type sheet with no parts** — so the file holds only the components whose datasheets were
+provided. A single **Meta** sheet is appended **at the end** with: Template Version, Total
+Components, Date, Time, and a per-sheet count breakdown. Deliver this one file to the user;
+the Parameters repo stores the same master, accumulated across runs (see Pushing to Gitea).
+
+Sheet naming follows the template (Diode, Resistor, …), not `Sheet1/Sheet2`. If the user
+supplies a new reference template, drop it in at `assets/template/template.xlsx` and the
+master mirrors whatever sheets/headers it has.
 
 ## Footprint & symbol (for the DFS folder)
 
@@ -95,26 +107,34 @@ For each part, the DFS folder needs `MPN_fp` (footprint) and `MPN_sym` (symbol)
 that carries both — because that's what the design team actually consumes. Get them in
 this order:
 
-1. **Scout which sources actually hold this part first — before any login.** Search
-   across SnapEDA, Ultra Librarian, Component Search Engine, DigiKey (its "PCB Symbol,
-   Footprint & 3D Model" links), and the manufacturer's own CAD downloads, and for each
-   note whether *this exact MPN* has a downloadable **Altium** symbol + footprint, and
-   whether grabbing it needs an account. The point is to find where the model lives before
-   asking the user to do anything.
+1. **Auto-download via the user's pre-logged-in Chrome** (`scripts/fetch_cad.py`). The user
+   keeps signed-in CAD-site windows open; the script attaches to that running Chrome and
+   reuses those live sessions — it never logs in, and no password is ever handled. One-time
+   setup: the user quits Chrome, relaunches it with `--remote-debugging-port=9222
+   --user-data-dir="$HOME/cad-chrome"`, and signs into the sites. Then, per part:
 
-2. **Surface what you found, then handle the login.** Tell the user which sources have the
-   part in Altium form — e.g. "BAT46WJ: SnapEDA and Ultra Librarian both have an Altium
-   symbol + footprint; DigiKey lists a model too" — so they can pick. Then get the file:
-   - If you're driving the user's own signed-in browser (e.g. Claude in Chrome) and it's
-     already logged into that source, just download — no password ever changes hands.
-   - Otherwise **ask the user to sign in to the source they picked** (or to grab the file
-     and drop it in), then continue. Never type, store, or ask for their password, and
-     never write credentials into this skill — it's pushed to Skill_Assets, and a secret in
-     a repo is a real leak (same reason the `GIT_TOKEN` is blanked before syncing).
+   ```bash
+   python scripts/fetch_cad.py --mpn BAT46WJ --dest <DFS_folder> \
+     --sites snapeda,ultralibrarian,componentsearchengine,digikey
+   ```
 
-   Once you have a candidate, **cross-check** its pad/pin count and key package dimensions
-   against the datasheet's package drawing before trusting it — library models are
-   sometimes wrong, or drawn for a different variant of the series.
+   It tries each site in order, downloads the Altium model, and drops it into the DFS folder
+   named `MPN_fp` / `MPN_sym` (or `MPN_cad` for a bundle). **It never solves CAPTCHAs or
+   defeats bot-detection** — if a site shows a login wall, CAPTCHA, or bot-check, that
+   adapter stops and reports `manual` with the URL. Note: this runs on the *user's* machine
+   (where the browsers are), and some sites' terms restrict automated downloads — treat it
+   as a convenience with the manual fallback below.
+
+2. **Manual fallback** (script returned `manual`/`notfound`, or no browser session): **share
+   the user the direct link** where the model lives and ask them to download it and send it
+   back; then attach it into the DFS folder with the agreed naming (`MPN_fp` / `MPN_sym`).
+   Never type, store, or ask for their password, and never write credentials into this skill
+   — it's pushed to Skill_Assets, and a secret in a repo is a real leak (same reason the
+   `GIT_TOKEN` is blanked before syncing).
+
+   Whichever path, once you have a candidate **cross-check** its pad/pin count and key
+   package dimensions against the datasheet's package drawing before trusting it — library
+   models are sometimes wrong, or drawn for a different variant of the series.
 
 3. **If no good model exists, generate the footprint/symbol yourself** as Altium files
    from the datasheet's package drawing and pinout — but only when you can do it reliably
@@ -142,10 +162,11 @@ default.
 The three repos split into two kinds, and they're pushed differently:
 
 - **DFS** and **Parameters** are **MPN-indexed** — DFS has one `MPN_make_typeid/` folder
-  per part, Parameters has one row per part (keyed on column A) inside each `<Type>.xlsx`.
-  Because a re-run can collide with a part that's already there, these go through
-  `scripts/gitea_reconcile.py`, which is dedup-aware and **merge-safe** (it never blows
-  away parts it isn't touching). See *Handling parts already in Gitea* below.
+  per part; Parameters holds a **single master workbook** (`Components_Master.xlsx`) whose
+  type sheets each have one row per part (keyed on column A). Because a re-run can collide
+  with a part that's already there, these go through `scripts/gitea_reconcile.py`, which is
+  dedup-aware and **merge-safe** (it never blows away parts it isn't touching). See
+  *Handling parts already in Gitea* below.
 - **Skill_Assets** holds the skill itself + templates — it is **not** per-part, so there's
   nothing MPN-level to reconcile. Push it with `scripts/push_to_gitea.sh` as before.
 
@@ -163,10 +184,11 @@ domain allowlisted) it fails clearly and leaves the staged files for a manual pu
 real token. Before syncing skill assets, blank the `GIT_TOKEN` line in the copy you push,
 or push everything except `config/gitea.env`.
 
-> Why not push Parameters with the flat script? `fill_templates.py` writes a `<Type>.xlsx`
-> holding **only this run's** rows. Copied flat over the repo, it would overwrite the file
-> and delete every previously-stored part of that type. `gitea_reconcile.py` merges into
-> the repo's existing sheet instead, so only the parts you decided on change.
+> Why not push Parameters with the flat script? `fill_templates.py` writes a master
+> workbook holding **only this run's** rows. Copied flat over the repo, it would overwrite
+> the stored master and delete every previously-stored part. `gitea_reconcile.py` opens the
+> repo's master, merges this run's rows into the right sheets, and writes it back — so only
+> the parts you decided on change, and the Meta sheet (totals, date, time) refreshes.
 
 ## Handling parts already in Gitea (discard vs replace)
 
@@ -222,21 +244,27 @@ python scripts/append_parameter.py --type Diode --param "Reverse Recovery Time(n
 
 This adds the column at the end and increments `assets/template/VERSION` (v1 → v2 → …).
 Then **push the updated `assets/template/template.xlsx` + `VERSION` to the Skill_Assets
-repo** so the new template version is archived. New outputs will record the new version in
-their Meta sheet automatically.
+repo** so the new template version is archived. New masters record the new version in the
+Meta sheet automatically.
 
 ## Resources
 
-- `assets/template/template.xlsx` — master template, one sheet per type (source of headers).
+- `assets/template/template.xlsx` — master template, one sheet per type (source of headers,
+  styling, and sheet order the master workbook mirrors).
 - `assets/template/Type_ID.xlsx` + `references/taxonomy.md` — Class → Subclass → Type ID.
-- `assets/template/VERSION` — current template version (integer; Meta sheet shows `vN`).
-- `scripts/fill_templates.py` — build per-type Excel outputs (+ Meta sheet); also exposes
-  the row/style helpers (`part_to_row`, `read_type_rows`, `write_type_workbook`) that the
-  reconcile step reuses so merged sheets look identical to freshly generated ones.
+- `assets/template/VERSION` — current template version (integer; the Meta sheet shows `vN`).
+- `scripts/fill_templates.py` — build the single master workbook `Components_Master.xlsx`
+  (only sheets for the extracted types + a trailing Meta sheet); also exposes the shared
+  helpers (`part_to_row`, `template_headers`, `sheet_rows`, `read_all_rows`, `build_master`,
+  `MASTER_NAME`) the reconcile step reuses so the Gitea master is built and merged identically.
 - `scripts/gitea_reconcile.py` — add new MPNs and push automatically; only stops on an MPN
   that already exists (discard/replace), or run unattended with `--on-conflict replace`.
-  Merge-safe: other rows/folders untouched.
+  Merge-safe: merges into the repo's master workbook, other rows/sheets/folders untouched.
 - `scripts/push_to_gitea.sh` — push a folder's contents to a Gitea repo (flat). Used for
   Skill_Assets (not MPN-indexed).
 - `scripts/append_parameter.py` — append a parameter to a template + bump version.
+- `scripts/fetch_cad.py` — download Altium footprint/symbol by attaching to the user's
+  pre-logged-in Chrome (remote-debugging port); tries sites in order, defers on
+  CAPTCHA/login (never bypasses), and names files `MPN_fp`/`MPN_sym`. Runs on the user's
+  machine; needs `selenium`.
 - `config/gitea.env` — host, user, token, and the DFS / Parameters / Skill_Assets repos (**secret**).

scripts/fetch_cad.py

@@ -0,0 +1,155 @@
+#!/usr/bin/env python3
+"""Download Altium footprints/symbols by driving the user's ALREADY-LOGGED-IN Chrome.
+
+Runs on the USER'S machine (where the signed-in browser windows live) - NOT in the sandbox.
+The user starts Chrome once with a remote-debugging port and logs into the CAD sites
+(SnapEDA, Ultra Librarian, Component Search Engine, DigiKey, ...). This script ATTACHES to
+that running Chrome and reuses those live sessions, so NO password is ever typed, stored,
+or seen here.
+
+    # user, once: fully quit Chrome, then relaunch with a debug port + own profile
+    #   macOS:  "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" \
+    #             --remote-debugging-port=9222 --user-data-dir="$HOME/cad-chrome"
+    #   Linux:  google-chrome --remote-debugging-port=9222 --user-data-dir="$HOME/cad-chrome"
+    # then sign into the CAD sites in that window, then:
+    python fetch_cad.py --mpn BAT46WJ --dest <DFS_folder> --sites snapeda,ultralibrarian
+
+SAFETY: this NEVER solves CAPTCHAs or defeats bot-detection. If a site shows a login wall,
+CAPTCHA, or bot-check, the adapter STOPS and returns ('manual', url) so the caller can fall
+back to asking the user to grab the file by hand. It also does not create accounts or enter
+passwords. Per-site selectors live in SITES below and may need tweaking when a site changes
+its layout (they can't be verified from the sandbox).
+"""
+import argparse, glob, os, re, shutil, sys, time
+
+# ----- pure helpers (no browser) -------------------------------------------------
+BLOCK_MARKERS=("recaptcha","g-recaptcha","hcaptcha","captcha","are you a robot",
+               "please sign in","log in to download","sign in to download","cf-challenge")
+
+def looks_blocked(page_source_lower):
+    """Heuristic: does the page look like a CAPTCHA / login wall / bot-check?
+    If so we DEFER to the human - we never try to get past it."""
+    return any(m in page_source_lower for m in BLOCK_MARKERS)
+
+def newest_download(dl_dir, known_before, timeout=60):
+    """Return the path of a file that appeared in dl_dir after `known_before`, once it has
+    finished downloading (no .crdownload/.part). None on timeout."""
+    end=time.time()+timeout
+    while time.time()<end:
+        now=set(glob.glob(os.path.join(dl_dir,"*")))
+        new=[f for f in now-known_before if not f.endswith((".crdownload",".part",".tmp"))]
+        if new:
+            f=max(new, key=os.path.getmtime)
+            if os.path.getsize(f)>0: return f
+        time.sleep(1)
+    return None
+
+def place(downloaded, dest, mpn, kind):
+    """Move a downloaded CAD file into the DFS folder named <mpn>_<kind><ext>
+    (kind = 'fp' | 'sym' | 'cad' for a bundle/archive). Returns the new path."""
+    os.makedirs(dest, exist_ok=True)
+    ext=os.path.splitext(downloaded)[1] or ""
+    out=os.path.join(dest, f"{mpn}_{kind}{ext}")
+    shutil.move(downloaded, out); return out
+
+# ----- browser attach ------------------------------------------------------------
+def attach(port, dl_dir):
+    """Attach to a Chrome already running with --remote-debugging-port=<port> and point
+    downloads at dl_dir. Selenium is imported lazily so this file stays importable without
+    a browser present."""
+    from selenium import webdriver
+    from selenium.webdriver.chrome.options import Options
+    opts=Options(); opts.add_experimental_option("debuggerAddress", f"127.0.0.1:{port}")
+    drv=webdriver.Chrome(options=opts)
+    try:  # route downloads to our folder via CDP
+        drv.execute_cdp_cmd("Page.setDownloadBehavior",
+                            {"behavior":"allow","downloadPath":os.path.abspath(dl_dir)})
+    except Exception:
+        pass
+    return drv
+
+# ----- per-site adapters ---------------------------------------------------------
+# Each returns ('ok', path) | ('manual', url) | ('notfound', url). Adapters open the site's
+# search for the MPN, prefer the Altium export, click download, and wait for the file.
+# Selectors are best-effort starting points - verify/adjust on the first real run.
+def _snapeda(drv, mpn, dl_dir):
+    from selenium.webdriver.common.by import By
+    url=f"https://www.snapeda.com/search/?q={mpn}&has_symbol=true"
+    drv.get(url); time.sleep(3)
+    if looks_blocked(drv.page_source.lower()): return ("manual", drv.current_url)
+    hits=drv.find_elements(By.CSS_SELECTOR, "a[href*='/parts/']")
+    if not hits: return ("notfound", url)
+    hits[0].click(); time.sleep(3)
+    if looks_blocked(drv.page_source.lower()): return ("manual", drv.current_url)
+    before=set(glob.glob(os.path.join(dl_dir,"*")))
+    # try to pick an Altium download control; fall back to any 'download' button
+    btns=drv.find_elements(By.XPATH,
+        "//*[contains(translate(text(),'ALTIUM','altium'),'altium')]"
+        "//ancestor-or-self::a | //a[contains(translate(.,'DOWNLOAD','download'),'download')]")
+    if not btns: return ("manual", drv.current_url)
+    btns[0].click()
+    f=newest_download(dl_dir, before)
+    return ("ok", f) if f else ("manual", drv.current_url)
+
+def _searchonly(base):
+    """Adapters not yet wired for auto-download: land on the site's search and defer to the
+    user (returns 'manual' with the URL). Fill in the click/download flow to automate."""
+    def adapter(drv, mpn, dl_dir):
+        url=base.format(mpn=mpn)
+        try: drv.get(url); time.sleep(2)
+        except Exception: pass
+        return ("manual", url)
+    return adapter
+
+SITES={
+    "snapeda": _snapeda,
+    "ultralibrarian": _searchonly("https://app.ultralibrarian.com/search?queryText={mpn}"),
+    "componentsearchengine": _searchonly("https://componentsearchengine.com/search?term={mpn}"),
+    "digikey": _searchonly("https://www.digikey.com/en/products/result?keywords={mpn}"),
+}
+
+def main():
+    ap=argparse.ArgumentParser()
+    ap.add_argument("--mpn", required=True)
+    ap.add_argument("--dest", required=True, help="the part's DFS folder (MPN_make_typeid/)")
+    ap.add_argument("--sites", default="snapeda",
+                    help="comma list, tried in order: "+", ".join(SITES))
+    ap.add_argument("--port", type=int, default=9222, help="Chrome remote-debugging port")
+    ap.add_argument("--kind", default="cad", choices=["fp","sym","cad"],
+                    help="name the file <mpn>_<kind>; 'cad' for a bundle/archive")
+    ap.add_argument("--download-dir", default=None,
+                    help="Chrome's download folder (default: <dest>/.dl)")
+    a=ap.parse_args()
+
+    dl_dir=a.download_dir or os.path.join(a.dest, ".dl"); os.makedirs(dl_dir, exist_ok=True)
+    try:
+        drv=attach(a.port, dl_dir)
+    except Exception as e:
+        sys.exit(f"Could not attach to Chrome on port {a.port}. Start Chrome with "
+                 f"--remote-debugging-port={a.port} and sign in first.\n{e}")
+
+    manual=[]
+    for site in [s.strip() for s in a.sites.split(",") if s.strip()]:
+        adapter=SITES.get(site)
+        if not adapter: print(f"  ! unknown site '{site}' - skipping"); continue
+        try:
+            status,info=adapter(drv, a.mpn, dl_dir)
+        except Exception as e:
+            print(f"  {site}: error ({e}) -> manual"); manual.append((site, drv.current_url)); continue
+        if status=="ok":
+            out=place(info, a.dest, a.mpn, a.kind)
+            print(f"  {site}: downloaded -> {out}")
+            print("\nDONE. Cross-check the model's pad/pin count and dimensions vs the datasheet.")
+            return
+        if status=="manual":
+            print(f"  {site}: login/CAPTCHA/manual -> {info}"); manual.append((site, info))
+        else:
+            print(f"  {site}: not found ({info})")
+
+    print("\nNo automatic download. These need you to grab the file by hand (then hand it "
+          "back and I'll place it as the footprint/symbol):")
+    for site,url in manual: print(f"  - {site}: {url}")
+    sys.exit(2)
+
+if __name__=="__main__":
+    main()

scripts/fill_templates.py

@@ -1,131 +1,143 @@
 #!/usr/bin/env python3
-"""Fill the master multi-type template from parts.json (or feed the merge/dedup path).
+"""Fill the reference template into ONE master workbook (Components_Master.xlsx).
 
-Per component type present, writes one <Type>.xlsx containing the filled type sheet plus
-a Meta sheet (template version, date). Column A ("MPN_make_type") = <MPN>_<make>_<typeid>,
-where make = first word of the manufacturer and typeid comes from the taxonomy.
+The master contains ONLY the type sheets that actually have parts (the components whose
+datasheets were provided) - built from a copy of the template so each kept sheet keeps its
+exact headers, styling, widths and freeze - plus a single **Meta** sheet appended at the
+END with: Template Version, Total Components, Date, Time, and a per-sheet count breakdown.
+Empty template sheets are dropped. Column A = <MPN>_<make>_<typeid>.
 
-The row/style helpers (part_tag, part_to_row, read_type_rows, write_type_workbook,
-template_headers, resolve_version) are imported by gitea_reconcile.py so the merge path
-produces byte-for-byte the same styling as a fresh generate - no duplicated logic.
+Shared helpers (part_tag, part_to_row, template_headers, sheet_rows, read_all_rows,
+build_master, resolve_version, MASTER_NAME) are imported by gitea_reconcile.py so the Gitea
+master is built and merged the exact same way.
 
-Fresh generate:
   python fill_templates.py parts.json --template <template.xlsx> --dest <dir> [--version v1]
 """
 import argparse, json, os, re, datetime
 import openpyxl
-from openpyxl.styles import Font, PatternFill, Alignment, Border, Side
+from openpyxl.styles import Font, PatternFill, Border, Side, Alignment
 from openpyxl.utils import get_column_letter
 
 GREEN="B6D7A8"; GRAY="BFBFBF"
+MASTER_NAME="Components_Master.xlsx"; META_SHEET="Meta"
 def norm(s): return re.sub(r'[^a-z0-9]', '', str(s).lower())
 ALIAS={"induactanceuh":"inductanceuh"}  # template header typo -> value key
 
 def make_tag(manufacturer):
-    w = re.split(r'\s+', str(manufacturer).strip())
-    first = w[0] if w and w[0] else "NA"
+    w=re.split(r'\s+', str(manufacturer).strip()); first=w[0] if w and w[0] else "NA"
     return re.sub(r'[^A-Za-z0-9]', '', first) or "NA"
-
 def part_tag(part):
-    """The identity of a part: <MPN>_<make>_<typeid>. Same MPN tag = same part."""
-    make = part.get("make") or make_tag(part.get("manufacturer",""))
+    """Identity of a part: <MPN>_<make>_<typeid>. Same tag = same part."""
+    make=part.get("make") or make_tag(part.get("manufacturer",""))
     return f'{part.get("mpn","")}_{make}_{part.get("typeid","NA")}'
 
-def style_header(cell):
-    cell.font=Font(name="Calibri", bold=True); cell.fill=PatternFill("solid", fgColor=GREEN)
-    s=Side(style="thin", color=GRAY); cell.border=Border(left=s,right=s,top=s,bottom=s)
-    cell.alignment=Alignment(horizontal="center", vertical="center", wrap_text=True)
-
 def template_headers(template_path, ctype):
-    """Canonical header list for a type sheet, or None if the template has no such sheet."""
-    master=openpyxl.load_workbook(template_path)
-    if ctype not in master.sheetnames: return None
-    ms=master[ctype]
-    return [ms.cell(1,c).value for c in range(1, ms.max_column+1)]
+    """Canonical data headers for a type sheet, or None if the template has no such sheet."""
+    wb=openpyxl.load_workbook(template_path)
+    if ctype not in wb.sheetnames: return None
+    ws=wb[ctype]; return [ws.cell(1,c).value for c in range(1, ws.max_column+1)]
+
+def template_types(template_path):
+    return [s for s in openpyxl.load_workbook(template_path).sheetnames if s!=META_SHEET]
 
 def part_to_row(part, headers):
     """Return (tag, {header: value}) for one part, following the column rules."""
-    vals={norm(k):v for k,v in part.get("values", {}).items()}
-    tag=part_tag(part)
-    row={}
+    vals={norm(k):v for k,v in part.get("values",{}).items()}; tag=part_tag(part); row={}
     for c,h in enumerate(headers, start=1):
-        key=norm(h); key=ALIAS.get(key,key)
+        key=ALIAS.get(norm(h),norm(h))
         if c==1:                 row[h]=tag
         elif key=="class":       row[h]=part.get("subclass","")
         elif key=="manufacturer":row[h]=part.get("manufacturer", vals.get("manufacturer",""))
         else:                    row[h]=vals.get(key,"")
-    return tag, row
+    return tag,row
 
-def read_type_rows(path):
-    """Read an existing <Type>.xlsx -> (headers, {tag: {header: value}}); Meta sheet ignored."""
-    wb=openpyxl.load_workbook(path)
-    ws=next((wb[n] for n in wb.sheetnames if n!="Meta"), None)
-    if ws is None: return [], {}
-    headers=[ws.cell(1,c).value for c in range(1, ws.max_column+1)]
-    rows={}
+def sheet_rows(ws, width):
+    """Existing data rows in a sheet -> (headers, {tag: {header: value}}), bounded to `width`."""
+    headers=[ws.cell(1,c).value for c in range(1,width+1)]; rows={}
     for r in range(2, ws.max_row+1):
         tag=ws.cell(r,1).value
         if tag in (None,""): continue
-        rows[tag]={headers[c-1]: ws.cell(r,c).value for c in range(1, len(headers)+1)}
+        rows[tag]={headers[c-1]: ws.cell(r,c).value for c in range(1,width+1)}
     return headers, rows
 
-def write_type_workbook(ctype, headers, rows_by_tag, version, dest_dir):
-    """Write one styled <Type>.xlsx (type sheet + Meta) from an ordered {tag: rowdict}.
-    Rows are pulled by header name, so callers can pass the canonical template headers
-    and any missing field simply comes out blank. Returns the filename written."""
-    os.makedirs(dest_dir, exist_ok=True)
-    out=openpyxl.Workbook(); ws=out.active; ws.title=ctype[:31]
-    for c,h in enumerate(headers, start=1):
-        ws.cell(1,c,h); style_header(ws.cell(1,c))
-    ws.row_dimensions[1].height=30
+def read_all_rows(master_path, template_path):
+    """Read every type sheet of an existing master -> {ctype: {tag: rowdict}} (skips Meta)."""
+    wb=openpyxl.load_workbook(master_path); types=set(template_types(template_path)); out={}
+    for name in wb.sheetnames:
+        if name not in types: continue
+        th=template_headers(template_path,name); w=len(th) if th else 0
+        if not w: continue
+        _,rows=sheet_rows(wb[name], w)
+        if rows: out[name]=rows
+    return out
+
+def _thin(): s=Side(style="thin",color=GRAY); return Border(left=s,right=s,top=s,bottom=s)
+def _hdr(cell):
+    cell.font=Font(name="Calibri",bold=True); cell.fill=PatternFill("solid",fgColor=GREEN)
+    cell.border=_thin(); cell.alignment=Alignment(horizontal="center",vertical="center")
+
+def _write_rows(ws, headers, rows_by_tag):
+    for r in range(2, ws.max_row+1):
+        for c in range(1, len(headers)+1): ws.cell(r,c).value=None
     r=2
     for tag,row in rows_by_tag.items():
-        for c,h in enumerate(headers, start=1):
-            ws.cell(r,c, row.get(h,""))
+        for c,h in enumerate(headers, start=1): ws.cell(r,c, row.get(h,""))
         r+=1
-    for c,h in enumerate(headers, start=1):
-        w=32 if norm(h)=="description" else (24 if c==1 else max(11,min(18,len(str(h))+2)))
-        ws.column_dimensions[get_column_letter(c)].width=w
-    ws.freeze_panes="A2"
-    meta=out.create_sheet("Meta")
-    mrows=[("Template Version", version),
-           ("Generated", datetime.date.today().isoformat()),
-           ("Component Type", ctype),
-           ("Parts in file", len(rows_by_tag)),
-           ("Source", "datasheet-extractor skill")]
-    for i,(k,v) in enumerate(mrows, start=1):
-        meta.cell(i,1,k).font=Font(bold=True); meta.cell(i,2,v)
-    meta.column_dimensions["A"].width=20; meta.column_dimensions["B"].width=40
-    fn=re.sub(r'\s+','_',ctype)+".xlsx"
-    out.save(os.path.join(dest_dir, fn))
-    return fn
+
+def _build_meta_sheet(wb, version, counts, when):
+    if META_SHEET in wb.sheetnames: del wb[META_SHEET]
+    ws=wb.create_sheet(META_SHEET)                     # appended at the end
+    for r,(k,v) in enumerate([("Template Version",version),
+                              ("Total Components",sum(counts.values())),
+                              ("Date",when.strftime("%Y-%m-%d")),
+                              ("Time",when.strftime("%H:%M:%S"))], start=1):
+        a=ws.cell(r,1,k); a.font=Font(name="Calibri",bold=True)
+        a.fill=PatternFill("solid",fgColor=GREEN); a.border=_thin()
+        ws.cell(r,2,v).border=_thin()
+    r=6
+    for c,t in ((1,"Sheet"),(2,"Components")): _hdr(ws.cell(r,c,t))
+    for ctype,n in counts.items():
+        r+=1; ws.cell(r,1,ctype).border=_thin(); ws.cell(r,2,n).border=_thin()
+    ws.column_dimensions["A"].width=20; ws.column_dimensions["B"].width=16
+    return ws
 
 def resolve_version(template_path, version):
     if version: return version
-    vf=os.path.join(os.path.dirname(template_path), "VERSION")
+    vf=os.path.join(os.path.dirname(template_path),"VERSION")
     return "v"+open(vf).read().strip() if os.path.exists(vf) else "v1"
 
+def build_master(template_path, rows_by_type, version, dest_dir):
+    """Write the single master workbook from a copy of the template. `rows_by_type` =
+    {ctype: {tag: rowdict}} is the COMPLETE desired contents. Only sheets present (with at
+    least one row) are kept; all other template sheets are dropped. A Meta sheet is appended
+    last. Returns the output path."""
+    os.makedirs(dest_dir, exist_ok=True)
+    wb=openpyxl.load_workbook(template_path); when=datetime.datetime.now(); counts={}
+    for ctype in template_types(template_path):
+        ws=wb[ctype]; rows=rows_by_type.get(ctype) or {}
+        if rows:
+            th=template_headers(template_path,ctype); width=len(th) if th else ws.max_column
+            _write_rows(ws, [ws.cell(1,c).value for c in range(1,width+1)], rows)
+            counts[ctype]=len(rows)
+    _build_meta_sheet(wb, version, counts, when)        # append first so a sheet always remains
+    for ctype in template_types(template_path):
+        if ctype not in counts: del wb[ctype]           # drop empty type sheets
+    out=os.path.join(dest_dir, MASTER_NAME); wb.save(out); return out
+
 def main():
     ap=argparse.ArgumentParser()
     ap.add_argument("parts_json"); ap.add_argument("--template", required=True)
     ap.add_argument("--dest", required=True); ap.add_argument("--version", default=None)
     a=ap.parse_args()
     data=json.load(open(a.parts_json, encoding="utf-8"))
-    version=resolve_version(a.template, a.version)
-    os.makedirs(a.dest, exist_ok=True)
-    by={}
+    version=resolve_version(a.template, a.version); by={}
     for p in data.get("parts", []):
-        by.setdefault(p["type"], []).append(p)
-    for ctype, parts in by.items():
-        headers=template_headers(a.template, ctype)
-        if headers is None:
-            print(f"! no template sheet for type '{ctype}' - skipping"); continue
-        rows_by_tag={}
-        for p in parts:
-            tag,row=part_to_row(p, headers)
-            rows_by_tag[tag]=row
-        fn=write_type_workbook(ctype, headers, rows_by_tag, version, a.dest)
-        print(f"{ctype}: {len(rows_by_tag)} row(s) -> {fn}  (template {version})")
+        headers=template_headers(a.template, p["type"])
+        if headers is None: print(f"! no template sheet for type '{p['type']}' - skipping"); continue
+        tag,row=part_to_row(p, headers); by.setdefault(p["type"],{})[tag]=row
+    out=build_master(a.template, by, version, a.dest)
+    total=sum(len(v) for v in by.values())
+    print(f"master: {out}  ({total} part(s) across {len(by)} sheet(s) + Meta, template {version})")
 
 if __name__=="__main__":
     main()

scripts/gitea_reconcile.py

@@ -1,31 +1,30 @@
 #!/usr/bin/env python3
 """Reconcile a datasheet-extractor run against the DFS + Parameters Gitea repos.
 
-Only DFS and Parameters are MPN-indexed (per-part folders / per-part rows). Skill_Assets
-holds the skill + templates, not per-part data, so it is never reconciled here - push it
-with push_to_gitea.sh as before.
+Only DFS and Parameters are MPN-indexed. DFS has one MPN_make_typeid/ folder per part;
+Parameters holds a SINGLE master workbook (Components_Master.xlsx) whose type sheets each
+have one row per part (column A). Skill_Assets holds the skill + templates (not per-part),
+so it is never reconciled here - push it with push_to_gitea.sh.
 
-Identity = the part tag <MPN>_<make>_<typeid> (see fill_templates.part_tag). Same tag =
-same part, so re-processing an MPN that already lives in Gitea is a conflict.
+Identity = the part tag <MPN>_<make>_<typeid> (fill_templates.part_tag). Same tag = same
+part, so re-processing an MPN already in Gitea is a conflict.
 
-Two passes:
-  1) CHECK  - clone both repos, report which run MPNs already exist. No writes, no push.
+CHECK (no writes/push):
   python scripts/gitea_reconcile.py --parts parts.json --dfs-src <dfs_stage> \
       --template assets/template/template.xlsx --report conflicts.json
-  2) APPLY  - with --decisions (a JSON map tag -> "replace"|"discard") + --push:
+APPLY + push:
   python scripts/gitea_reconcile.py --parts parts.json --dfs-src <dfs_stage> \
       --template assets/template/template.xlsx --decisions decisions.json --push
+  # or fully unattended:  --on-conflict replace   (or discard)
 
-     replace -> overwrite that MPN's DFS folder AND its Parameters row (a fresh datasheet /
-                footprint / symbol / values fully supersede the old ones).
-     discard -> leave the copy already in Gitea untouched; drop the newly-extracted one.
-     New (non-conflicting) MPNs are always added. Every OTHER row/folder is preserved -
-     the Parameters sheet is merged, never wholesale-overwritten.
-
-Refuses to push if any conflict has no decision, so nothing is ever resolved silently.
+  replace -> overwrite that MPN's DFS folder AND its row in the master sheet.
+  discard -> keep the copy already in Gitea; drop the new one.
+  New MPNs are always added; every other folder/row/sheet is preserved (the master is
+  merged, never wholesale-overwritten). Refuses to push if a conflict has no decision.
 """
 import argparse, json, os, re, shutil, subprocess, sys, tempfile
 sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+import openpyxl
 import fill_templates as ft
 
 def load_env(cfg):
@@ -48,19 +47,23 @@ def clone(url, dest, token):
     r=subprocess.run(["git","clone","--depth","1",url,dest], capture_output=True, text=True)
     return r.returncode==0, (r.stderr or "").replace(token,"***")
 
-def type_filename(ctype): return re.sub(r'\s+','_',ctype)+".xlsx"
+def run_rows(parts): return [(ft.part_tag(p), p["type"], p.get("mpn",""), p) for p in parts]
+def master_path(params_clone): return os.path.join(params_clone, ft.MASTER_NAME)
+def _width(template, ctype):
+    h=ft.template_headers(template, ctype); return len(h) if h else 0
 
-def run_rows(parts):
-    return [(ft.part_tag(p), p["type"], p.get("mpn",""), p) for p in parts]
-
-def scan_conflicts(parts, dfs_clone, params_clone):
-    conflicts=[]; ptags={}
+def scan_conflicts(parts, dfs_clone, params_clone, template):
+    conflicts=[]; tags_by_type={}
+    mp=master_path(params_clone)
+    wb=openpyxl.load_workbook(mp) if os.path.exists(mp) else None
     for tag,ctype,mpn,_ in run_rows(parts):
-        in_dfs=os.path.isdir(os.path.join(dfs_clone, tag))
-        if ctype not in ptags:
-            f=os.path.join(params_clone, type_filename(ctype))
-            ptags[ctype]=set(ft.read_type_rows(f)[1].keys()) if os.path.exists(f) else set()
-        in_params=tag in ptags[ctype]
+        in_dfs=os.path.isdir(os.path.join(dfs_clone,tag))
+        if ctype not in tags_by_type:
+            s=set(); w=_width(template,ctype)
+            if wb is not None and ctype in wb.sheetnames and w:
+                _,rows=ft.sheet_rows(wb[ctype], w); s=set(rows.keys())
+            tags_by_type[ctype]=s
+        in_params=tag in tags_by_type[ctype]
         if in_dfs or in_params:
             conflicts.append({"tag":tag,"type":ctype,"mpn":mpn,
                               "in_dfs":in_dfs,"in_params":in_params})
@@ -80,23 +83,23 @@ def apply_dfs(parts, dfs_src, dfs_clone, decisions):
             shutil.copytree(src,dst); print(f"  DFS added         : {tag}")
 
 def apply_params(parts, params_clone, template, decisions, version):
-    by={}
-    for p in parts: by.setdefault(p["type"], []).append(p)
-    for ctype, plist in by.items():
-        headers=ft.template_headers(template, ctype)
-        if headers is None:
-            print(f"  ! no template sheet for '{ctype}' - skipping Parameters"); continue
-        f=os.path.join(params_clone, type_filename(ctype))
-        rows=dict(ft.read_type_rows(f)[1]) if os.path.exists(f) else {}
-        for p in plist:
-            tag,row=ft.part_to_row(p, headers); dec=decisions.get(tag)
-            if tag in rows:
+    """Merge run rows into the master workbook, honouring decisions, and write it back.
+    Reads the full existing master so every other sheet/row is preserved; empty sheets stay
+    out (build_master keeps only sheets that have parts)."""
+    mp=master_path(params_clone)
+    complete={k:dict(v) for k,v in ft.read_all_rows(mp, template).items()} if os.path.exists(mp) else {}
+    for p in parts:
+        headers=ft.template_headers(template, p["type"])
+        if headers is None: print(f"  ! no sheet for '{p['type']}' - skipping"); continue
+        tag,row=ft.part_to_row(p, headers); sheet=complete.setdefault(p["type"], {})
+        if tag in sheet:
+            dec=decisions.get(tag)
             if dec=="discard": print(f"  PARAMS keep row   : {tag}")
-                elif dec=="replace": rows[tag]=row; print(f"  PARAMS replaced   : {tag}")
+            elif dec=="replace": sheet[tag]=row; print(f"  PARAMS replaced   : {tag}")
             else: print(f"  PARAMS SKIP (undecided): {tag}")
         else:
-                rows[tag]=row; print(f"  PARAMS added      : {tag}")
-        ft.write_type_workbook(ctype, headers, rows, version, params_clone)
+            sheet[tag]=row; print(f"  PARAMS added      : {tag}")
+    ft.build_master(template, complete, version, params_clone)
 
 def commit_push(clone_dir, msg, token):
     for args in (["config","user.email","datasheet-bot@local"],
@@ -132,8 +135,7 @@ def main():
     env=load_env(a.config)
     for k in ("GIT_HOST","GIT_TOKEN","DFS_REPO","PARAMS_REPO"):
         if not env.get(k): sys.exit(f"missing {k} in env/config")
-    token=env["GIT_TOKEN"]
-    version=ft.resolve_version(a.template, None)
+    token=env["GIT_TOKEN"]; version=ft.resolve_version(a.template, None)
     decisions=json.load(open(a.decisions)) if a.decisions else {}
 
     tmp=tempfile.mkdtemp(prefix="reconcile_")
@@ -143,7 +145,7 @@ def main():
     ok,err=clone(repo_url(env,env["PARAMS_REPO"]), params_clone, token)
     if not ok: sys.exit(f"clone Parameters failed:\n{err[:400]}")
 
-    conflicts=scan_conflicts(parts, dfs_clone, params_clone)
+    conflicts=scan_conflicts(parts, dfs_clone, params_clone, a.template)
     report={"has_conflicts":bool(conflicts),"conflicts":conflicts}
     if a.report: json.dump(report, open(a.report,"w"), indent=2)
     print(json.dumps(report, indent=2))
@@ -156,23 +158,18 @@ def main():
             print("\nNo conflicts — re-run with --push to add everything (no prompt needed).")
         return
 
-    # A standing policy resolves every conflict without a prompt; otherwise conflicts must
-    # each carry an explicit decision so nothing gets overwritten behind the user's back.
     if a.on_conflict in ("replace","discard"):
-        for c in conflicts:
-            decisions.setdefault(c["tag"], a.on_conflict)
+        for c in conflicts: decisions.setdefault(c["tag"], a.on_conflict)
     miss=undecided(conflicts, decisions)
     if miss:
         sys.exit("Refusing to push — need a discard/replace decision (or --on-conflict) for: "
                  +", ".join(miss))
-    print("Applying to DFS:")
-    apply_dfs(parts, a.dfs_src, dfs_clone, decisions)
-    print("Applying to Parameters:")
-    apply_params(parts, params_clone, a.template, decisions, version)
+    print("Applying to DFS:");        apply_dfs(parts, a.dfs_src, dfs_clone, decisions)
+    print("Applying to Parameters:"); apply_params(parts, params_clone, a.template, decisions, version)
     print("Pushing:")
     commit_push(dfs_clone, "datasheet-extractor: reconcile DFS", token)
-    commit_push(params_clone, "datasheet-extractor: reconcile Parameters", token)
-    print("\nDone — DFS + Parameters reconciled and pushed.")
+    commit_push(params_clone, "datasheet-extractor: reconcile master parameters", token)
+    print("\nDone — DFS + master Parameters reconciled and pushed.")
 
 if __name__=="__main__":
     main()