Sean's Birthday Crossword (*=almost, **=cryptic)

123456789101112131415161718192021222324252627282930
Across
  1. 3. Received pork, area needing rescue** (6)
  2. 6. A starchy computation device from a bygone era (6)
  3. 10. Sean's recurring refrain he inevitably fails to refrain from, oh well ¯\_(ツ)_/¯ (2,2,2,4,4)
  4. 12. Standing on the edge; the state of revealed cards (4,2)
  5. 15. Who lives and who dies; Special summon a zombie (4,2,4)
  6. 17. We hear 7 out of every 19 jumps* (4,4)
  7. 18. Company’s presentations looking back mark strength* (11)
  8. 21. Soft cooking utensil with many traits (6,7)
  9. 22. Agitated demon sea creates silence** (4,4)
  10. 23. Basement dweller with an absent father and a cat named after a fish (5)
  11. 25. Imperfect child laments imperfect shoe (4,4)
  12. 26. Thermometers can use this to measure 200 degrees Fahrenheit (7)
  13. 28. A fancy party; such a good time** (4)
  14. 29. At the speed of light but slower, in the other sense (10)
  15. 30. Rock fan dressed with no hats** (6)
Down
  1. 1. Quivering princess? Not her!** (6)
  2. 2. “Little skirmisher,” a stock clown character of the 16th-century commedia dell'arte; a high-end French restaurant listed in the Michelin Guide for Toronto (11)
  3. 4. The worst Imagine Dragons song, but one of Odin’s sons might enjoy it (7)
  4. 5. Just a child with no money to afford a night at the opera, though this particular one seems to have at least one parent (4,3)
  5. 6. Fictional triumvir’s favourite poet left before tea* (3)
  6. 7. One day we’ll play yours (3,8)
  7. 8. Wealthy orphan currently surrounded by endless group of musicians** (6)
  8. 9. More than nothing, but less than a viking who lost six (5)
  9. 11. Heavy heart of stone* (3)
  10. 13. He arms a new doctor!** (6)
  11. 14. Loops around* (5)
  12. 16. Contrary to his name, he forgot to account for a crucial loophole in his contract, nor does he wear much armour (8)
  13. 19. Lemon soft drink heats up in wooden bucket (5,6)
  14. 20. Cancer patient becomes lifeless puddle** (8)
  15. 24. Don’t stay under on your special day (8)
  16. 27. A Delicacy from a Kosher counter in Sean's local zone, not available on the Lord's day* (7)