Cryptic crossword No 3,806

Across

1. Dress, packing nothing for foreign trip (6)
2. State "I'm Baz, entangled with web" (8)
3. Documentary about everyone providing energy (4,4)
4. Ideas from party initially contemplating step change (8)
5. Beams of light at solar eclipses reveal stars' origins (6)
6. Scrutinises surgeons? (4)
7. Have cash during unfinished trek to inner city (4,6)
8. Police drone, perhaps, taps tree (6,5)
9. Epic closet designed to be extendable (10)
10. Course, boundless, that belongs to us (4)
11. Set off, taken by parents to find temple (6)
12. Deny key cut (6)
13. Urge one lass to be extravagant (8)

Down

1. French impudence I see reported (6)
2. Flinch from band in church (6)
3. Noble if Simpson, maybe, is accommodating one? (7)
4. Bill Lines holding service up - that's quite different! (1,3,3)
5. Slam phoney charity (4)
6. Spelling may concern organisation (10)
7. Handicap European figure, catching cold (8)
8. Argument, possibly, before problem that's keeping you busy (9,6)
9. Lingered, doing quiet line in the van? (7)
10. Elaborate tents I put back (4,2,2)
11. About to enter race, leading part for author (2,5)
12. Calculates when to welcome cleric (4)
13. Measure trace of colour round tail of ibis (10)