feat: allow package names in interactive info commands

tests/unit/interactive.bats

@@ -101,6 +101,54 @@ UPGRADE='apt-get -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--forc
 	log_has 'apt-cache show --no-all-versions su-dummy-a'
 }
 
+@test "listed package names support both information commands alongside numeric commands" {
+	run skup --no-refresh <<<$'su-dummy-a? 2? su-dummy-b?? 3-\nq'
+	assert_success
+	assert_line 'su-dummy-a: dummy package su-dummy-a for skeptical-updater tests'
+	assert_line 'su-dummy-b: dummy package su-dummy-b for skeptical-updater tests'
+	assert_line '  Package: su-dummy-b'
+	assert_line 'excluded from this run: su-dummy-c'
+	log_has 'dpkg-query -s -- su-dummy-b'
+}
+
+@test "unknown or hidden package names report an error and do not stop later commands" {
+	write_state "$HEADER" "apt${T}su-dummy-a${T}user${T}2026-01-01T00:00:00Z"
+	run skup --no-refresh <<<$'missing? su-dummy-a?? 2?\nq'
+	assert_success
+	assert_output --partial "no package 'missing' in the list"
+	assert_output --partial "no package 'su-dummy-a' in the list"
+	assert_line 'su-dummy-c: dummy package su-dummy-c for skeptical-updater tests'
+}
+
+@test "names work for trusted rows shown with --all and new dependencies" {
+	write_state "$HEADER" "apt${T}su-dummy-a${T}user${T}2026-01-01T00:00:00Z"
+	run skup --no-refresh --all <<<$'su-dummy-a?\nq'
+	assert_success
+	assert_line 'su-dummy-a: dummy package su-dummy-a for skeptical-updater tests'
+	FAKE_APT_SIM=real run skup --no-refresh <<<$'su-dummy-newdep? su-dummy-newdep??\nq'
+	assert_success
+	assert_line 'reason: not installed'
+	log_lacks '^dpkg-query -s -- su-dummy-newdep'
+	log_has 'apt-cache show --no-all-versions su-dummy-newdep'
+}
+
+@test "a package removed during a line cannot be queried by name" {
+	run skup --no-refresh <<<$'3x su-dummy-c? 2?\ny\nq'
+	assert_success
+	assert_output --partial "no package 'su-dummy-c' in the list"
+	assert_line 'su-dummy-b: dummy package su-dummy-b for skeptical-updater tests'
+}
+
+@test "package names are not accepted for trust, exclude or purge" {
+	for token in su-dummy-a+ su-dummy-a- su-dummy-ax; do
+		run skup --no-refresh <<<"$token"$'\nq'
+		assert_success
+		assert_output --partial "unknown command '$token'"
+		[[ ! -e $STATE_FILE ]]
+		log_lacks '^apt-get -y purge'
+	done
+}
+
 @test "N?? on a new dependency (old version -) never looks for an installed record" {
 	FAKE_APT_SIM=real run skup --no-refresh <<<$'9??\nq'
 	assert_success