fix: remove accidentally committed scratch files + tighten .gitignore

Removes: video files, scratch canvases, Nate Herk transcript,
personal images dropped in vault root.
Adds gitignore rules to prevent recurrence.

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

.gitignore

@@ -39,10 +39,34 @@ PROMPT.md
 *.tmp.*
 Obsidian vault*
 Untitled.canvas
+Untitled *.canvas
+Untitled.base
+*.base
+
+# Scratch canvases and personal vault files
+Banana Images.canvas
+Demo Images.canvas
+*Images.canvas
 
 # Daily notes created by Calendar plugin
 ????-??-??.md
 
+# Video and large media files
+*.mkv
+*.mp4
+*.mov
+*.avi
+
+# Transcripts (copyright — do not commit)
+*Trascipt*.txt
+*Transcript*.txt
+
+# Personal images dropped in vault root
+cosmic code.png
+_attachments/code-genesis.png
+_attachments/neural-voyager.png
+_attachments/the-frontier.png
+
 # Excalidraw drawings (personal, user-specific)
 Excalidraw/
 

Banana Images.canvas

@@ -1 +0,0 @@
-{}

Demo Images.canvas

@@ -1,13 +0,0 @@
-{
-	"nodes":[
-		{"id":"47ddbf959d3ded39","type":"file","file":"cosmic code.png","x":-184,"y":-50,"width":400,"height":400},
-		{"id":"cd9778128c87492e","type":"file","file":"Obsidian vault with Claude Code - full integration and visual organization 2.md","x":-184,"y":-520,"width":400,"height":400},
-		{"id":"a1b2c3d4e5f60001","type":"file","file":"_attachments/neural-voyager.png","x":246,"y":-50,"width":400,"height":400},
-		{"id":"txt0000000000001","type":"text","text":"**Neural Voyager**\n\nOrange-suited astronaut drifting weightlessly through a bioluminescent neural network galaxy. Electric-blue and magenta neural pathways radiate from their body like a living cosmic web, each node pulsing with cyan light. Low-angle silhouette against a violet-gold core burst. Painterly concept art, chiaroscuro lighting, WIRED magazine cover aesthetic.","x":246,"y":370,"width":400,"height":190},
-		{"id":"a1b2c3d4e5f60002","type":"file","file":"_attachments/code-genesis.png","x":-184,"y":600,"width":400,"height":400},
-		{"id":"txt0000000000002","type":"text","text":"**Code Genesis**\n\nObsidian-black mechanical robot with molten amber eyes kneeling on a dark volcanic glass summit. Fractal spirals of golden code characters radiate outward in concentric arcs. Waterfalls of luminous data cascade off the floating rock island into an infinite indigo void. Painterly concept art, atmospheric perspective, National Geographic technology editorial aesthetic.","x":-184,"y":1020,"width":400,"height":190},
-		{"id":"a1b2c3d4e5f60003","type":"file","file":"_attachments/the-frontier.png","x":246,"y":600,"width":400,"height":400},
-		{"id":"txt0000000000003","type":"text","text":"**The Frontier**\n\nYoung programmer in a glowing electric-blue hoodie and a compact orange companion robot standing side by side at a cosmic cliff edge, backs to camera. Floating island-planets of glowing circuit boards and data towers drift through purple nebula clouds before them. Bioluminescent particles ascend from the cliff. Studio Ghibli × Mass Effect epic scale, midnight blue palette with warm gold accents.","x":246,"y":1020,"width":400,"height":210}
-	],
-	"edges":[]
-}

Untitled 1.canvas

@@ -1 +0,0 @@
-{}

Untitled 2.canvas

@@ -1 +0,0 @@
-{}

Untitled.base

@@ -1,3 +0,0 @@
-views:
-  - type: table
-    name: Table