Redact personal data before publishing as public repo

- config/git/gitconfig: replace real name, email, SSH signing key, and
  self-hosted git credential URL with placeholder values

- stages/06-scripts.sh: remove hardcoded personal email from bw login;
  CLI prompts interactively

- config/shell/zshrc.local.example: replace personal server URLs
  (Nextcloud, LiteLLM proxy), university email address, institution-
  specific Canvas LMS URL, and identifying Canvas key prefix with
  generic example.com placeholders

- TODO.md: replace personal email and Nextcloud URL in code examples
  with generic placeholders

- stages/07-uv-projects.sh: remove private org name from comment

config/git/gitconfig

@@ -1,11 +1,9 @@
 [user]
-	name = Julian Prester
-	email = hi@julianprester.com
-	signingkey = ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO14cVPAkygA4OIMmQ1PiBBQ9mQ+nY5n7XKJA0jD9ZOl github@julianprester.com
+	name = Your Name
+	email = your@email.com
+	# signingkey = <paste your SSH public key here, e.g. output of: cat ~/.ssh/id_ed25519.pub>
 [init]
 	defaultBranch = main
-[credential "https://git.julianprester.com"]
-	provider = generic
 [core]
 	compression = 0
 	excludesfile = ~/.gitignore

config/shell/zshrc.local.example

@@ -9,8 +9,7 @@
 #
 #  DO NOT commit this file to version control.
 # =============================================================================
-#  From the Pop machine audit, Julian stores ~17 API keys in his env.
-#  Using Bitwarden (bw-env.sh) is the recommended approach because:
+#  Using Bitwarden is the recommended approach because:
 #    - Keys are encrypted at rest (not in dotfiles)
 #    - Syncs across machines automatically
 #    - One source of truth
@@ -23,13 +22,13 @@ export ANTHROPIC_API_KEY="sk-ant-your-key-here"
 export GOOGLE_API_KEY="AIza-your-key-here"
 export OPENCODE_API_KEY="sk-your-key-here"
 
-# ---- LiteLLM Proxy ----
-export OPENAI_BASE_URL="https://ai.julianprester.com"
+# ---- LiteLLM Proxy (optional — remove if using OpenAI directly) ----
+export OPENAI_BASE_URL="https://your-litellm-proxy.example.com"
 export OPENAI_API_KEY="sk-your-key-here"
 
 # ---- Calendar (CalDAV) ----
-export CALDAV_URL="https://nc.julianprester.com/remote.php/dav"
-export CALDAV_USERNAME="julian.prester@sydney.edu.au"
+export CALDAV_URL="https://your-nextcloud.example.com/remote.php/dav"
+export CALDAV_USERNAME="your@email.com"
 export CALDAV_PASSWORD="your-password-here"
 
 # ---- Thunderbird API ----
@@ -39,12 +38,12 @@ export TB_API_HOSTS="thunderbird"
 export ZOTERO_KEY=""
 
 # ---- Canvas LMS ----
-export CANVAS_API_KEY="3156~your-key-here"
-export CANVAS_API_URL="https://canvas.sydney.edu.au/"
+export CANVAS_API_KEY="your-key-here"
+export CANVAS_API_URL="https://canvas.your-institution.edu/"
 
 # ---- Nextcloud ----
-export NC_URL="https://nc.julianprester.com"
-export NC_USERNAME="julian.prester@sydney.edu.au"
+export NC_URL="https://your-nextcloud.example.com"
+export NC_USERNAME="your@email.com"
 export NC_PASSWORD="your-password-here"
 
 # ---- Actual Budget ----