feat(redstone-link): real block textures via build-textures.py, add build.sh

The first textures were a motif floating on a flat slab. That hits the
lesson already documented on mailbox_block(): an icon-like sprite "reads
as a placeholder when applied to all 6 faces of a cube". Replaced with
machine faces whose traces run out to the edges, so they connect across
tile boundaries and a wall of them reads as continuous circuitry --
transmitter radiating out, receiver feeding in.

Generated through scripts/build-textures.py using the existing palette and
rect/px/save helpers rather than an ad-hoc script, so they regenerate with
everything else. Running the pipeline also rewrites the other five
textures, but pixel-identically -- that churn is only a newer Pillow
re-encoding, so those files are left alone.

RP header bumped to 1.0.1 (with the BP dependency to match) because clients
cache packs by uuid+version and would otherwise keep serving the old art.
The lobby world pin was updated to match; a mismatch silently drops the
pack from the stack.

Adds build.sh to package the .mcaddon, mirroring addon/build.sh. It omits
that script's `-x` exclude: these packs have no dotfiles, and dropping it
keeps the script working with the 7-Zip `zip` shim on the workstation as
well as Info-ZIP on the CI runner.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015Gf1kZypRDfPL1YiWUS1LC

redstone-link-addon/build.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+BUILD_DIR="$SCRIPT_DIR/build"
+
+rm -rf "$BUILD_DIR"
+mkdir -p "$BUILD_DIR"
+
+# Each pack is zipped from INSIDE its own directory so that manifest.json sits
+# at the archive root. An extra nesting level makes Minecraft reject the import.
+
+# No -x exclude here, unlike addon/build.sh: these pack dirs contain no
+# dotfiles, and dropping it keeps the script working with the 7-Zip `zip`
+# shim on the Windows workstation as well as Info-ZIP on the CI runner.
+
+echo "Packaging Behavior Pack..."
+cd "$SCRIPT_DIR/redstone_link_BP"
+zip -rq "$BUILD_DIR/redstone_link_BP.mcpack" .
+
+echo "Packaging Resource Pack..."
+cd "$SCRIPT_DIR/redstone_link_RP"
+zip -rq "$BUILD_DIR/redstone_link_RP.mcpack" .
+
+echo "Creating .mcaddon bundle..."
+cd "$BUILD_DIR"
+zip -rq "$BUILD_DIR/redstone_link.mcaddon" redstone_link_BP.mcpack redstone_link_RP.mcpack
+
+echo ""
+echo "Build complete!"
+echo "  Output: $BUILD_DIR/redstone_link.mcaddon"
+echo ""
+echo "To install:"
+echo "  - Double-click the .mcaddon file on Windows to auto-import"
+echo "  - Or copy packs to com.mojang/development_behavior_packs/ and development_resource_packs/"
+echo ""
+echo "Note: import BOTH packs. The behavior pack alone gives you working"
+echo "logic with missing textures and untranslated block names."

redstone-link-addon/redstone_link_BP/manifest.json

@@ -4,20 +4,36 @@
     "name": "Redstone Link",
     "description": "Wireless redstone: pair a transmitter and a receiver by channel name, no wire in between",
     "uuid": "e4f1a7c2-6b95-4d38-a7e0-3c81d5f2b001",
-    "version": [1, 0, 0],
-    "min_engine_version": [1, 21, 0]
+    "version": [
+      1,
+      0,
+      0
+    ],
+    "min_engine_version": [
+      1,
+      21,
+      0
+    ]
   },
   "modules": [
     {
       "type": "data",
       "uuid": "e4f1a7c2-6b95-4d38-a7e0-3c81d5f2b002",
-      "version": [1, 0, 0]
+      "version": [
+        1,
+        0,
+        0
+      ]
     },
     {
       "type": "script",
       "language": "javascript",
       "uuid": "e4f1a7c2-6b95-4d38-a7e0-3c81d5f2b003",
-      "version": [1, 0, 0],
+      "version": [
+        1,
+        0,
+        0
+      ],
       "entry": "scripts/main.js"
     }
   ],
@@ -32,7 +48,11 @@
     },
     {
       "uuid": "e4f1a7c2-6b95-4d38-a7e0-3c81d5f2b004",
-      "version": [1, 0, 0]
+      "version": [
+        1,
+        0,
+        1
+      ]
     }
   ]
 }

redstone-link-addon/redstone_link_RP/manifest.json

@@ -4,7 +4,7 @@
     "name": "Redstone Link Resources",
     "description": "Textures and lang for the silverlabs:redstone_link_tx / _rx blocks",
     "uuid": "e4f1a7c2-6b95-4d38-a7e0-3c81d5f2b004",
-    "version": [1, 0, 0],
+    "version": [1, 0, 1],
     "min_engine_version": [1, 21, 0]
   },
   "modules": [