Cryptic Crossword - Fooled

This is a cryptic crossword I published on 1st April 2025, uploaded for posterity.

Across
1. Chemist to sell iodine wrapped in gold (9)
6. Brief show (5)
9. Dish from Sacramento (5)
10. Playing a big blind and acting without a plan (2-7)
11. City’s trendy in the past (7)
12. Union regularly being written into some inheritance? It's perfectly legal! (7)
13. Man and woman enter station (6)
15. Wants some fondant-topped cakes (7)
18. Got to run inside small caverns (7)
20. Site of nut nucleus? (6)
24. Let silence be broken (7)
25. Punch a sailor over the waves (7)
27. Assembled the aristocracy accommodating large colony (9)
28. Hollow out 19 and fill it with a dip (5)
29. Seasons from Syria; Kenya returned them regularly (5)
30. Arrangement of collapsed new prebuilt (9)

Down
1. Several entries may be within an example menu? (4 4)
2. Shark made siren rage (7)
3. Member of Ronin, Japanese warrior (5)
4. Lined up two gasses around a pair of metals (2 1 3)
5. Primarily holding See back, providing no Mass – the vision isn’t really there (8)
6. Summer in Pisa? (9)
7. An error in error; that's absurd! (7)
8. Progressive upsets the right losing race (6)
14. Gets involved and breaks leg in Nantes foolishly (9)
16. Arm with battered rifle and endless bombs (8)
17. Theoretical outline (8)
19. Cut the ends off of rich cottage cheese (7)
21. Roar and shout endlessly over one known escapee? (7)
22. Dull girl wearing grey skirts (6)
23. From Spain, Tom delivered cake across the border? (6)
26. Upset forks and tie (5)