feat: add R2 file sharing tool with environment configuration

- Add share.ts CLI tool for uploading files to R2 with clipboard integration
- Configure R2 credentials across all shell environments (fish, bash, nushell)
- Add shell abbreviations for claude opus and share commands
- Refine claude-usage terminology (quota → limit, behind → under)

home/.chezmoitemplates/nushell/env.nu.tmpl

@@ -70,6 +70,12 @@ $env.MICRO_TRUECOLOR = 1
 # OpenAI API Key
 $env.OPENAI_API_KEY = "{{ dopplerProjectJson.OPENAI_CHATGPT_CLI }}"
 
+# R2 configuration
+$env.R2_ENDPOINT = "{{ dopplerProjectJson.R2_ENDPOINT }}"
+$env.R2_ACCESS_KEY_ID = "{{ dopplerProjectJson.R2_ACCESS_KEY_ID }}"
+$env.R2_SECRET_ACCESS_KEY = "{{ dopplerProjectJson.R2_SECRET_ACCESS_KEY }}"
+$env.R2_BUCKET = "{{ dopplerProjectJson.R2_BUCKET }}"
+
 # Initialize PATH as a list for easier manipulation
 $env.PATH = ($env.PATH | split row (char esep))
 

home/.chezmoitemplates/scripts/commonrc.fish.tmpl

@@ -10,6 +10,13 @@ set -gx MICRO_TRUECOLOR 1
 set -gx TERM xterm-256color  # fixes terminal colors when ssh'ing into laptop
 
 set -gx OPENAI_API_KEY "{{ dopplerProjectJson.OPENAI_CHATGPT_CLI }}"
+
+# R2 configuration
+set -gx R2_ENDPOINT "{{ dopplerProjectJson.R2_ENDPOINT }}"
+set -gx R2_ACCESS_KEY_ID "{{ dopplerProjectJson.R2_ACCESS_KEY_ID }}"
+set -gx R2_SECRET_ACCESS_KEY "{{ dopplerProjectJson.R2_SECRET_ACCESS_KEY }}"
+set -gx R2_BUCKET "{{ dopplerProjectJson.R2_BUCKET }}"
+
 # Tools are organized in priority order (first = highest priority in PATH)
 # This order matches the Bash config for consistency
 # Batched for performance - reduces startup time by ~13ms

home/.chezmoitemplates/scripts/commonrc.sh.tmpl

@@ -11,6 +11,12 @@ export TERM=xterm-256color  # fixes terminal colors when ssh'ing into laptop
 
 export OPENAI_API_KEY="{{ dopplerProjectJson.OPENAI_CHATGPT_CLI }}"
 
+# R2 configuration
+export R2_ENDPOINT="{{ dopplerProjectJson.R2_ENDPOINT }}"
+export R2_ACCESS_KEY_ID="{{ dopplerProjectJson.R2_ACCESS_KEY_ID }}"
+export R2_SECRET_ACCESS_KEY="{{ dopplerProjectJson.R2_SECRET_ACCESS_KEY }}"
+export R2_BUCKET="{{ dopplerProjectJson.R2_BUCKET }}"
+
 # hishtory configuration
 export HISHTORY_SERVER="https://hsh.{{ dopplerProjectJson.PRIVATE_DOMAIN }}"