feat(agents-guide): add logging guidelines for quote usage and sentence punctuation

AGENTS.md

@@ -97,4 +97,11 @@ The following guideline is heavily based on the [Bash Style Guide | ysap.sh](htt
 - Use globbing (`*`) to iterate over files, not `ls`.
 - Avoid `cat` when a command can read a file directly (e.g., `grep "pattern" file`).
 
-**`eval`:** Never use `eval`.
+**eval:** Never use `eval`.
+
+**Logging:**
+
+- Use single quotes for outputs without variables.
+- Use double quotes for outputs with variables.
+- Do not finish sentence with a dot if action is following (e.g. `"Backup file"`).
+- Finish sentence with a dot if echo is after action (e.g. `"Backup finished."`).

AGENTS.md.template

@@ -82,4 +82,11 @@ The following guideline is heavily based on the [Bash Style Guide | ysap.sh](htt
 - Use globbing (`*`) to iterate over files, not `ls`.
 - Avoid `cat` when a command can read a file directly (e.g., `grep "pattern" file`).
 
-**`eval`:** Never use `eval`.
+**eval:** Never use `eval`.
+
+**Logging:**
+
+- Use single quotes for outputs without variables.
+- Use double quotes for outputs with variables.
+- Do not finish sentence with a dot if action is following (e.g. `"Backup file"`).
+- Finish sentence with a dot if echo is after action (e.g. `"Backup finished."`).