fix(rephraser): escape double quotes for JSON in request

info.plist

@@ -8,6 +8,19 @@
 	<string>⭐️</string>
 	<key>connections</key>
 	<dict>
+		<key>197CBF3E-ACE7-46FC-B02C-FA08363B1BA7</key>
+		<array>
+			<dict>
+				<key>destinationuid</key>
+				<string>B34DBBCE-C220-4020-BDB7-DFAB47719F7A</string>
+				<key>modifiers</key>
+				<integer>0</integer>
+				<key>modifiersubtext</key>
+				<string></string>
+				<key>vitoclose</key>
+				<false/>
+			</dict>
+		</array>
 		<key>322E5C7E-0088-48C7-8510-ABB6F13FAF6B</key>
 		<array>
 			<dict>
@@ -142,7 +155,7 @@
 		<array>
 			<dict>
 				<key>destinationuid</key>
-				<string>B34DBBCE-C220-4020-BDB7-DFAB47719F7A</string>
+				<string>197CBF3E-ACE7-46FC-B02C-FA08363B1BA7</string>
 				<key>modifiers</key>
 				<integer>0</integer>
 				<key>modifiersubtext</key>
@@ -501,6 +514,23 @@
 			<key>version</key>
 			<integer>1</integer>
 		</dict>
+		<dict>
+			<key>config</key>
+			<dict>
+				<key>matchmode</key>
+				<integer>0</integer>
+				<key>matchstring</key>
+				<string>'</string>
+				<key>replacestring</key>
+				<string>"</string>
+			</dict>
+			<key>type</key>
+			<string>alfred.workflow.utility.replace</string>
+			<key>uid</key>
+			<string>197CBF3E-ACE7-46FC-B02C-FA08363B1BA7</string>
+			<key>version</key>
+			<integer>2</integer>
+		</dict>
 		<dict>
 			<key>config</key>
 			<dict>
@@ -560,9 +590,8 @@ The workflow offers four [hotkeys](https://www.alfredapp.com/help/workflows/trig
 
 1. Autocorrect the word under the cursor.
 2. Suggest synonyms for the word under the cursor.
-3. Rephrase the selected text via ChatGPT, improving its language (requires
-   OpenAI API key).
-4. Same as 3, but use Markdown markup to show the changes:
+3. Rephrase the selected text via ChatGPT, improving its language (requires OpenAI API key).
+4. Same as 3, but uses Markdown markup to show the changes:
 	+ Additions are displayed as `==highlights==`.
 	+ Deletions are displayed as `~~strikethroughs~~`.
 	+ There is a workflow configuration to alternatively format the changes as [Critic Markup](https://github.com/CriticMarkup/CriticMarkup-toolkit).
@@ -572,6 +601,17 @@ The workflow offers four [hotkeys](https://www.alfredapp.com/help/workflows/trig
 Created by [Chris Grieser](https://chris-grieser.de/).</string>
 	<key>uidata</key>
 	<dict>
+		<key>197CBF3E-ACE7-46FC-B02C-FA08363B1BA7</key>
+		<dict>
+			<key>colorindex</key>
+			<integer>8</integer>
+			<key>note</key>
+			<string>single quotes back to double quotes</string>
+			<key>xpos</key>
+			<real>625</real>
+			<key>ypos</key>
+			<real>405</real>
+		</dict>
 		<key>322E5C7E-0088-48C7-8510-ABB6F13FAF6B</key>
 		<dict>
 			<key>colorindex</key>
@@ -761,7 +801,7 @@ DOUBLE CLICK TO EDIT</string>
 				<true/>
 			</dict>
 			<key>description</key>
-			<string>OpenAI API Key. If empty, will look through `.zshenv` for a variable `$OPENAI_API_KEY`.</string>
+			<string>OpenAI API Key. If empty, will use $OPENAI_API_KEY exported in .zshenv.</string>
 			<key>label</key>
 			<string>Rephrasing</string>
 			<key>type</key>

scripts/rephrase-selection.sh

@@ -3,7 +3,6 @@
 #───────────────────────────────────────────────────────────────────────────────
 
 selection="$*"
-the_prompt="$static_prompt$selection" # WARN `$prompt` is reserved variable in zsh
 cache="$alfred_workflow_cache"
 mkdir -p "$cache"
 model="gpt-3.5-turbo" # https://platform.openai.com/docs/models/gpt-3
@@ -20,23 +19,33 @@ if [[ -z "$apikey" ]]; then
 	return 1
 fi
 
+# WARN `$prompt` is reserved variable in zsh
+# escape quotes in prompt for JSON
+the_prompt=$(echo "$static_prompt $selection" | sed -e "s/\"/'/g")
+
 # OPENAI API CALL
 # DOCS https://platform.openai.com/docs/api-reference/making-requests
 response=$(curl --silent https://api.openai.com/v1/chat/completions \
 	-H "Content-Type: application/json" \
 	-H "Authorization: Bearer $apikey" \
-	-d "{ \"model\": \"$model\", \"messages\": [{\"role\": \"user\", \"content\": \"$the_prompt\"}], \"temperature\": $temperature }" |
-	grep '"content"' | cut -d'"' -f4) # doing this avoids jq dependency
+	-d "{ \"model\": \"$model\", \"messages\": [{\"role\": \"user\", \"content\": \"$the_prompt\"}], \"temperature\": $temperature }")
+
+if grep -q '"error"' ; then
+	# doing this avoids jq dependency
+	text="ERROR: $(echo "$response" | grep '"message"' | cut -d'"' -f4)"
+else
+	text=$(echo "$response" | grep '"content"' | cut -d'"' -f4)
+fi
 
 #───────────────────────────────────────────────────────────────────────────────
 
 if [[ "$output_type" == "plain" ]]; then
-	echo -n "$response"
+	echo -n "$text"
 	exit 0
 fi
 
 echo "$selection" >"$cache/selection.txt"
-echo "$response" >"$cache/rephrased.txt"
+echo "$text" >"$cache/rephrased.txt"
 
 # https://unix.stackexchange.com/questions/677764/show-differences-in-strings
 diff=$(git diff --word-diff "$cache/selection.txt" "$cache/rephrased.txt" |