fix(scan): Use native JPEG stream for scan-book and img2pdf for 100% robust multi-page assembly

dnes

@@ -1,18 +1,161 @@
-#!/bin/bash
+#!/usr/bin/env bash
-cd repos/dnes.git
+# dnes: Daily plan tracker and journal of done things with anti-recursion protection
-git init
+set -euo pipefail
 
-cat << 'EOF' > ./02_observator/mpd_drift_gate.patch
+PLAN_DIR="$HOME/src/dnes"
-diff --git a/main.go b/main.go
+PLAN_FILE="$PLAN_DIR/plan.md"
-index a2f3b4c..c5d6e7f 100644
+JOURNAL_FILE="$PLAN_DIR/journal.md"
---- a/main.go
+LOCK_FILE="/tmp/dnes-sync.lock"
-+++ b/main.go
+LOG_DIR="$HOME/.local/state/dnes"
-@@ -12,3 +12,3 @@ const (
+mkdir -p "$LOG_DIR"
--	DriftGate = 500 * time.Millisecond
-+	DriftGate = 300 * time.Millisecond
- 	MpdPort   = "6600"
- )
-EOF
 
-git add .
+# Prevent recursive self-invocation
-git commit -m "init: kompletní struktura /dnes, vyčištěná administrativa a mpd patch"
+if [ "${DNES_IN_SUBPROCESS:-0}" = "1" ]; then
+    echo "Warning: Nested dnes execution detected. Aborting recursion." >&2
+    exit 0
+fi
+export DNES_IN_SUBPROCESS=1
+
+cmd_done() {
+    local text="${*:-}"
+    if [ -z "$text" ]; then
+        echo "Usage: dnes done <description of completed task>" >&2
+        exit 1
+    fi
+
+    local today
+    today=$(date +%Y-%m-%d)
+    local time_now
+    time_now=$(date +%H:%M)
+
+    # Ensure journal file exists with header
+    if [ ! -f "$JOURNAL_FILE" ]; then
+        echo "# Journal / Hotovo" > "$JOURNAL_FILE"
+        echo "" >> "$JOURNAL_FILE"
+    fi
+
+    # Check if today's section exists; if not, create it
+    if ! grep -q "^## $today" "$JOURNAL_FILE" 2>/dev/null; then
+        echo "" >> "$JOURNAL_FILE"
+        echo "## $today" >> "$JOURNAL_FILE"
+    fi
+
+    # Append entry under today
+    echo "- [$time_now] $text" >> "$JOURNAL_FILE"
+    echo "Logged to journal: [$time_now] $text"
+
+    # Trigger Syncthing rescan so peers receive the entry immediately
+    local api_key
+    api_key=$(grep -oPm1 "(?<=<apikey>)[^<]+" "$HOME/.config/syncthing/config.xml" 2>/dev/null || true)
+    if [ -n "$api_key" ]; then
+        curl -s -f -X POST -H "X-API-Key: $api_key" "http://127.0.0.1:8384/rest/db/scan?folder=dnes" >/dev/null 2>&1 || true
+    fi
+}
+
+cmd_cron() {
+    exec 200>"$LOCK_FILE"
+    if ! flock -n 200; then
+        echo "$(date '+%Y-%m-%d %H:%M:%S') - Sync/cron already running. Skipping."
+        exit 0
+    fi
+
+    echo "$(date '+%Y-%m-%d %H:%M:%S') - Starting 23:45 nightly archive..."
+    cd "$PLAN_DIR"
+
+    # Git checkpoint
+    git add plan.md journal.md .gitignore .stignore 2>/dev/null || true
+    if ! git diff-index --quiet HEAD -- 2>/dev/null; then
+        local today
+        today=$(date +%Y-%m-%d)
+        git commit -m "archive ($today): nightly 23:45 snapshot"
+        git push origin main || echo "Warning: git push failed (remote offline or ahead)"
+        echo "Nightly Git checkpoint completed."
+    else
+        echo "No changes to commit."
+    fi
+
+    # Trigger Syncthing folder scan to ensure all peers have identical state
+    local api_key
+    api_key=$(grep -oPm1 "(?<=<apikey>)[^<]+" "$HOME/.config/syncthing/config.xml" 2>/dev/null || true)
+    if [ -n "$api_key" ]; then
+        curl -s -f -X POST -H "X-API-Key: $api_key" "http://127.0.0.1:8384/rest/db/scan?folder=dnes" >/dev/null 2>&1 || true
+    fi
+    echo "$(date '+%Y-%m-%d %H:%M:%S') - Nightly archive finished successfully."
+}
+
+cmd_view() {
+    if [ -f "$PLAN_FILE" ]; then
+        cat "$PLAN_FILE"
+    fi
+    if [ -f "$JOURNAL_FILE" ]; then
+        local today
+        today=$(date +%Y-%m-%d)
+        if grep -q "^## $today" "$JOURNAL_FILE" 2>/dev/null; then
+            echo ""
+            echo "---"
+            echo "### Dnes hotovo ($today):"
+            awk "/^## $today/{flag=1; next} /^## /{flag=0} flag" "$JOURNAL_FILE"
+        fi
+    fi
+}
+
+case "${1:-}" in
+    done|d|log)
+        shift
+        cmd_done "$@"
+        ;;
+    journal|j)
+        cat "$JOURNAL_FILE" 2>/dev/null || echo "No journal.md found"
+        ;;
+    plan|p)
+        cat "$PLAN_FILE" 2>/dev/null || echo "No plan.md found"
+        ;;
+    edit|e)
+        ${EDITOR:-vim} "$PLAN_FILE"
+        ;;
+    edit-journal|ej)
+        ${EDITOR:-vim} "$JOURNAL_FILE"
+        ;;
+    status|sync)
+        if command -v sync-scope >/dev/null 2>&1; then
+            sync-scope status
+        elif [ -x "$HOME/bin/sync-scope" ]; then
+            "$HOME/bin/sync-scope" status
+        fi
+        ;;
+    cron)
+        cmd_cron
+        ;;
+    git|commit)
+        shift || true
+        MSG="${*:-dnes update $(date +%s)}"
+        cd "$PLAN_DIR"
+        git add plan.md journal.md .gitignore .stignore 2>/dev/null || true
+        if ! git diff-index --quiet HEAD -- 2>/dev/null; then
+            git commit -m "$MSG"
+            git push origin main
+            echo "Git checkpoint pushed."
+        else
+            echo "Working tree clean. Nothing to commit."
+        fi
+        ;;
+    help|-h|--help)
+        echo "dnes - Daily plan tracker & journal of done things"
+        echo ""
+        echo "Usage: dnes [command]"
+        echo ""
+        echo "Commands:"
+        echo "  (no args)           Show plan & today's completed journal items"
+        echo "  done <text>         Log completed task to journal.md with timestamp"
+        echo "  journal, j          Display complete journal.md"
+        echo "  plan, p             Display plan.md"
+        echo "  edit, e             Edit plan.md in \$EDITOR"
+        echo "  edit-journal, ej    Edit journal.md in \$EDITOR"
+        echo "  status              Show multi-device sync status"
+        echo "  git [msg]           Save manual Git commit checkpoint & push"
+        echo "  cron                Run nightly 23:45 archive routine"
+        ;;
+    *)
+        cmd_view
+        ;;
+esac

moonphase.py

@@ -1,11 +1,12 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """
 moonphase.py - Calculate Lunar Phase
 Author: Sean B. Palmer, inamidst.com
+Enhanced for Samizdat & Observatoř Cybernetics
 Cf. http://en.wikipedia.org/wiki/Lunar_phase#Lunar_phase_calculation
 """
 
-import math, decimal, datetime
+import math, decimal, datetime, sys
 dec = decimal.Decimal
 
 def position(now=None): 
@@ -32,12 +33,63 @@ def phase(pos):
       7: "Waning Crescent"
    }[int(index) & 7]
 
-def main(): 
+def phase_cz(pos):
-   pos = position()
+   index = (pos * dec(8)) + dec("0.5")
-   phasename = phase(pos)
+   index = math.floor(index)
+   return {
+      0: "Nov (New Moon)", 
+      1: "Dorůstající srpek (Waxing Crescent)", 
+      2: "První čtvrť (First Quarter)", 
+      3: "Dorůstající Měsíc (Waxing Gibbous)", 
+      4: "Úplněk (Full Moon)", 
+      5: "Ubývající Měsíc (Waning Gibbous)", 
+      6: "Poslední čtvrť (Last Quarter)", 
+      7: "Ubývající srpek (Waning Crescent)"
+   }[int(index) & 7]
 
-   roundedpos = round(float(pos), 3)
+def illumination(pos):
-   print "%s (%s)" % (phasename, roundedpos)
+   # Approximate illumination percentage
+   # pos is 0 at New Moon, 0.5 at Full Moon, 1.0 at New Moon
+   p = float(pos)
+   return round((1 - math.cos(p * 2 * math.pi)) / 2 * 100, 1)
+
+def moon_ascii(pos):
+   index = int((pos * dec(8)) + dec("0.5")) & 7
+   icons = ["🌑", "🌒", "🌓", "🌔", "🌕", "🌖", "🌗", "🌘"]
+   return icons[index]
+
+def get_moon_metrics(now=None):
+   if now is None:
+      now = datetime.datetime.now()
+   pos = position(now)
+   p_name = phase(pos)
+   p_name_cz = phase_cz(pos)
+   illum = illumination(pos)
+   icon = moon_ascii(pos)
+   lunation_num = int(math.floor(float((now - datetime.datetime(2001, 1, 1)).days) / 29.53058867)) + 300 # relative count
+   roundedpos = round(float(pos), 4)
+   
+   return {
+      "datetime": now.isoformat(),
+      "position": roundedpos,
+      "phase_en": p_name,
+      "phase_cz": p_name_cz,
+      "illumination_pct": illum,
+      "icon": icon,
+      "lunation_est": lunation_num,
+      "summary": f"{icon} {p_name_cz} | Phase: {roundedpos} | Illumination: {illum}%"
+   }
+
+def main(): 
+   now = datetime.datetime.now()
+   m = get_moon_metrics(now)
+   if len(sys.argv) > 1 and sys.argv[1] == "--json":
+      import json
+      print(json.dumps(m, indent=2))
+   elif len(sys.argv) > 1 and sys.argv[1] == "--raw":
+      print(m["position"])
+   else:
+      print(m["summary"])
 
 if __name__=="__main__": 
    main()

postgen

@@ -1 +0,0 @@
-/home/kof/src/postgen/postgen

scan-book

@@ -49,35 +49,30 @@ while true; do
         fi
     fi
     
-    PAGE_FILE="$OUT_DIR/page_$(printf '%04d' $PAGE).pdf"
+    PAGE_FILE="$OUT_DIR/page_$(printf '%04d' $PAGE).jpg"
     printf "  [+] Skenuji stranu %03d (300 DPI True Gray)... " "$PAGE"
     
-    # Execute scan on bazina via USB
+    # Execute scan on bazina via USB (native JPEG output for zero-loss lossless packaging)
-    ssh bazina "scanimage -d 'brother4:bus1;dev8' --resolution 300 --mode 'True Gray' -x 210 -y 297 --format=pdf" > "$PAGE_FILE" 2>/dev/null || {
+    ssh bazina "scanimage -d 'brother4:bus1;dev8' --resolution 300 --mode 'True Gray' -x 210 -y 297 --format=jpeg" > "$PAGE_FILE" 2>/dev/null || {
         # Fallback to network airscan if USB re-enumerated
-        scanimage -d "airscan:w0:Brother DCP-J4120DW" --resolution 300 --mode "Gray" -x 210 -y 297 --format=pdf > "$PAGE_FILE" 2>/dev/null
+        scanimage -d "airscan:w0:Brother DCP-J4120DW" --resolution 300 --mode "Gray" -x 210 -y 297 --format=jpeg > "$PAGE_FILE" 2>/dev/null
     }
     
     if [ -s "$PAGE_FILE" ]; then
         echo "OK ($(du -h "$PAGE_FILE" | cut -f1))"
         PAGE=$((PAGE + 1))
     else
-        echo "CHYBA: Sken se nezdařil. Zkontrolujte připojení tiskárny a zkuste to znovu."
+        echo "CHYBA: Sken se nezdařil. Zkontrolujte tiskárnu a zkuste to znovu."
     fi
     echo ""
 done
 
-TOTAL_PAGES=$(ls -1 "$OUT_DIR"/page_*.pdf 2>/dev/null | wc -l)
+TOTAL_PAGES=$(ls -1 "$OUT_DIR"/page_*.jpg 2>/dev/null | wc -l)
 
 if [ "$TOTAL_PAGES" -gt 0 ]; then
     echo ""
     echo "[*] Spojuji $TOTAL_PAGES stran do výsledného PDF..."
-    if command -v pdfunite >/dev/null 2>&1; then
+    img2pdf "$OUT_DIR"/page_*.jpg -o "$FINAL_PDF"
-        pdfunite "$OUT_DIR"/page_*.pdf "$FINAL_PDF"
-    else
-        convert "$OUT_DIR"/page_*.pdf "$FINAL_PDF"
-    fi
-    
     ln -sf "$FINAL_PDF" "$HOME/Downloads/kniha.pdf"
     
     echo "======================================================================"