test(help): OK test cases

testdata/help__del-db__ok.ct

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+$ pda help del-db
+$ pda del-db --help
+Delete a database.
+
+Usage:
+  pda del-db DB [flags]
+
+Aliases:
+  del-db, delete-db, rm-db, remove-db
+
+Flags:
+  -f, --force   Force delete without confirmation
+  -h, --help    help for del-db
+Delete a database.
+
+Usage:
+  pda del-db DB [flags]
+
+Aliases:
+  del-db, delete-db, rm-db, remove-db
+
+Flags:
+  -f, --force   Force delete without confirmation
+  -h, --help    help for del-db

testdata/help__del__ok.ct

@@ -0,0 +1,24 @@
+$ pda help del
+$ pda del --help
+Delete a key. Optionally specify a db.
+
+Usage:
+  pda del KEY[@DB] [flags]
+
+Aliases:
+  del, delete, rm, remove
+
+Flags:
+  -f, --force   Force delete without confirmation
+  -h, --help    help for del
+Delete a key. Optionally specify a db.
+
+Usage:
+  pda del KEY[@DB] [flags]
+
+Aliases:
+  del, delete, rm, remove
+
+Flags:
+  -f, --force   Force delete without confirmation
+  -h, --help    help for del

testdata/help__dump__ok.ct

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+$ pda help dump
+$ pda dump --help
+Dump all key/value pairs as NDJSON
+
+Usage:
+  pda dump [DB] [flags]
+
+Aliases:
+  dump, export
+
+Flags:
+  -e, --encoding string   value encoding: auto, base64, or text (default "auto")
+  -h, --help              help for dump
+      --secret            Include entries marked as secret
+Dump all key/value pairs as NDJSON
+
+Usage:
+  pda dump [DB] [flags]
+
+Aliases:
+  dump, export
+
+Flags:
+  -e, --encoding string   value encoding: auto, base64, or text (default "auto")
+  -h, --help              help for dump
+      --secret            Include entries marked as secret

testdata/help__get__ok.ct

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+$ pda help get
+$ pda get --help
+Get a value for a key. Optionally specify a db.
+
+{{ .TEMPLATES }} can be filled by passing TEMPLATE=VALUE as an
+additional argument after the initial KEY being fetched.
+
+For example:
+	pda set greeting 'Hello, {{ .NAME }}!'
+	pda get greeting NAME=World
+
+Usage:
+  pda get KEY[@DB] [flags]
+
+Aliases:
+  get, g
+
+Flags:
+  -h, --help             help for get
+  -b, --include-binary   include binary data in text output
+      --no-template      directly output template syntax
+  -c, --run              execute the result as a shell command
+      --secret           display values marked as secret
+Get a value for a key. Optionally specify a db.
+
+{{ .TEMPLATES }} can be filled by passing TEMPLATE=VALUE as an
+additional argument after the initial KEY being fetched.
+
+For example:
+	pda set greeting 'Hello, {{ .NAME }}!'
+	pda get greeting NAME=World
+
+Usage:
+  pda get KEY[@DB] [flags]
+
+Aliases:
+  get, g
+
+Flags:
+  -h, --help             help for get
+  -b, --include-binary   include binary data in text output
+      --no-template      directly output template syntax
+  -c, --run              execute the result as a shell command
+      --secret           display values marked as secret

testdata/help__help__ok.ct

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+$ pda help help
+$ pda help --help
+Help provides help for any command in the application.
+Simply type pda help [path to command] for full details.
+
+Usage:
+  pda help [command] [flags]
+
+Flags:
+  -h, --help   help for help
+Help provides help for any command in the application.
+Simply type pda help [path to command] for full details.
+
+Usage:
+  pda help [command] [flags]
+
+Flags:
+  -h, --help   help for help

testdata/help__list-dbs__ok.ct

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+$ pda help list-dbs
+$ pda list-dbs --help
+List all dbs.
+
+Usage:
+  pda list-dbs [flags]
+
+Aliases:
+  list-dbs, ls-dbs, lsd
+
+Flags:
+  -h, --help   help for list-dbs
+List all dbs.
+
+Usage:
+  pda list-dbs [flags]
+
+Aliases:
+  list-dbs, ls-dbs, lsd
+
+Flags:
+  -h, --help   help for list-dbs

testdata/help__list__ok.ct

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+$ pda help list
+$ pda list --help
+List the contents of a db.
+
+Usage:
+  pda list [DB] [flags]
+
+Aliases:
+  list, ls
+
+Flags:
+  -b, --binary          include binary data in text output
+  -o, --format format   output format (table|tsv|csv|markdown|html) (default table)
+      --header          include header row
+  -h, --help            help for list
+      --no-keys         suppress the key column
+      --no-values       suppress the value column
+  -S, --secret          display values marked as secret
+  -t, --ttl             append a TTL column when entries expire
+List the contents of a db.
+
+Usage:
+  pda list [DB] [flags]
+
+Aliases:
+  list, ls
+
+Flags:
+  -b, --binary          include binary data in text output
+  -o, --format format   output format (table|tsv|csv|markdown|html) (default table)
+      --header          include header row
+  -h, --help            help for list
+      --no-keys         suppress the key column
+      --no-values       suppress the value column
+  -S, --secret          display values marked as secret
+  -t, --ttl             append a TTL column when entries expire

testdata/help__ok.ct

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+$ pda help
+$ pda --help
+                 ▄▄           
+                 ██           
+ ██▄███▄    ▄███▄██   ▄█████▄
+ ██▀  ▀██  ██▀  ▀██   ▀ ▄▄▄██
+ ██    ██  ██    ██  ▄██▀▀▀██
+ ███▄▄██▀  ▀██▄▄███  ██▄▄▄███
+ ██ ▀▀▀      ▀▀▀ ▀▀   ▀▀▀▀ ▀▀
+ ██      (c) 2025 Lewis Wynne
+
+Usage:
+  pda [command]
+
+Available Commands:
+  completion  Generate the autocompletion script for the specified shell
+  del         Delete a key. Optionally specify a db.
+  del-db      Delete a database.
+  dump        Dump all key/value pairs as NDJSON
+  get         Get a value for a key. Optionally specify a db.
+  help        Help about any command
+  list        List the contents of a db.
+  list-dbs    List all dbs.
+  restore     Restore key/value pairs from an NDJSON dump
+  set         Set a value for a key by passing VALUE or Stdin. Optionally specify a db.
+
+Flags:
+  -h, --help   help for pda
+
+Use "pda [command] --help" for more information about a command.
+                 ▄▄           
+                 ██           
+ ██▄███▄    ▄███▄██   ▄█████▄
+ ██▀  ▀██  ██▀  ▀██   ▀ ▄▄▄██
+ ██    ██  ██    ██  ▄██▀▀▀██
+ ███▄▄██▀  ▀██▄▄███  ██▄▄▄███
+ ██ ▀▀▀      ▀▀▀ ▀▀   ▀▀▀▀ ▀▀
+ ██      (c) 2025 Lewis Wynne
+
+Usage:
+  pda [command]
+
+Available Commands:
+  completion  Generate the autocompletion script for the specified shell
+  del         Delete a key. Optionally specify a db.
+  del-db      Delete a database.
+  dump        Dump all key/value pairs as NDJSON
+  get         Get a value for a key. Optionally specify a db.
+  help        Help about any command
+  list        List the contents of a db.
+  list-dbs    List all dbs.
+  restore     Restore key/value pairs from an NDJSON dump
+  set         Set a value for a key by passing VALUE or Stdin. Optionally specify a db.
+
+Flags:
+  -h, --help   help for pda
+
+Use "pda [command] --help" for more information about a command.

testdata/help__restore__ok.ct

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+$ pda help restore
+$ pda restore --help
+Restore key/value pairs from an NDJSON dump
+
+Usage:
+  pda restore [DB] [flags]
+
+Aliases:
+  restore, import
+
+Flags:
+  -f, --file string   Path to an NDJSON dump (defaults to stdin)
+  -h, --help          help for restore
+Restore key/value pairs from an NDJSON dump
+
+Usage:
+  pda restore [DB] [flags]
+
+Aliases:
+  restore, import
+
+Flags:
+  -f, --file string   Path to an NDJSON dump (defaults to stdin)
+  -h, --help          help for restore

testdata/help__set__ok.ct

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+$ pda help set
+$ pda set --help
+Set a value for a key by passing VALUE or Stdin. Optionally specify a db.
+	
+PDA supports parsing Go templates. Actions are delimited with {{ }}.
+
+For example:
+  'Hello, {{ .NAME }}'                 can be substituted with NAME="John Doe".
+  'Hello, {{ env "USER" }}'            will fetch the USER env variable.
+  'Hello, {{ default "World" .NAME }}' will default to World if NAME is blank.
+  'Hello, {{ require .NAME }}'         will error if NAME is blank.
+  '{{ enum .NAME "Alice" "Bob" }}'     allows only NAME=Alice or NAME=Bob.
+
+Usage:
+  pda set KEY[@DB] [VALUE] [flags]
+
+Aliases:
+  set, s
+
+Flags:
+  -h, --help           help for set
+      --secret         Mark the stored value as a secret
+  -t, --ttl duration   Expire the key after the provided duration (e.g. 24h, 30m)
+Set a value for a key by passing VALUE or Stdin. Optionally specify a db.
+	
+PDA supports parsing Go templates. Actions are delimited with {{ }}.
+
+For example:
+  'Hello, {{ .NAME }}'                 can be substituted with NAME="John Doe".
+  'Hello, {{ env "USER" }}'            will fetch the USER env variable.
+  'Hello, {{ default "World" .NAME }}' will default to World if NAME is blank.
+  'Hello, {{ require .NAME }}'         will error if NAME is blank.
+  '{{ enum .NAME "Alice" "Bob" }}'     allows only NAME=Alice or NAME=Bob.
+
+Usage:
+  pda set KEY[@DB] [VALUE] [flags]
+
+Aliases:
+  set, s
+
+Flags:
+  -h, --help           help for set
+      --secret         Mark the stored value as a secret
+  -t, --ttl duration   Expire the key after the provided duration (e.g. 24h, 30m)