refactor: rename project videnc-vibe -> av1dae

Rename the Go module, the cmd/ entrypoint dir, the binary, the default config
dir (~/.config/av1dae/), the Docker image/compose service, and all docs and
the dashboard wordmark. No behavioral change — import paths and identifiers
only.

CLAUDE.md

@@ -1,6 +1,6 @@
 # AGENTS.md
 
-This file provides guidance for agents operating in the videnc-vibe repository.
+This file provides guidance for agents operating in the av1dae repository.
 
 ## Project Overview
 
@@ -10,14 +10,14 @@ Go-based CLI tool for transcoding DVD/Blu-ray to SVT-AV1 with automatic metadata
 
 ```bash
 # Build binary
-go build -o videnc-vibe ./cmd/videnc/
+go build -o av1dae ./cmd/av1dae/
 
 # Run binary
-./videnc-vibe
+./av1dae
 
 # With flags
-./videnc-vibe -d              # Delete original after encode
-./videnc-vibe -c /path/to/config.yaml
+./av1dae -d              # Delete original after encode
+./av1dae -c /path/to/config.yaml
 ```
 
 ## Code Style Guidelines
@@ -29,7 +29,7 @@ go build -o videnc-vibe ./cmd/videnc/
 
 ### Imports
 - Group imports: standard library, external packages, internal packages
-- Use aliases for packages: `"videnc-vibe/pkg/types"`
+- Use aliases for packages: `"av1dae/pkg/types"`
 
 ```go
 import (
@@ -37,7 +37,7 @@ import (
     "os"
 
     "gopkg.in/yaml.v3"
-    "videnc-vibe/pkg/types"
+    "av1dae/pkg/types"
 )
 ```
 
@@ -84,7 +84,7 @@ Example: `add: add command line argument support`
 ## Project Structure
 
 ```
-cmd/videnc/main.go       # CLI entrypoint
+cmd/av1dae/main.go       # CLI entrypoint
 internal/
   config/                # Config loading
   watcher/               # Folder polling