Goal of this puzzle: Find the hidden message in this Nonogram that I created.
You should get Morse code if it is solved correctly.
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Even though it wasn't part of the original question, in the comments OP gave out this invaluable nugget of information:
Since the nonogram was definitely difficult enough to warrant such trickery, that information enables a Forbidden Technique™ to get through a particularly difficult bit near the middle of the solve:
The green squares form a "deadly pattern": they contain one coloured block each, one on each row, and the pattern is such that the row and column clues cannot possibly disambiguate between the two options. Since we have as a given the information that there is a unique solution, that pattern must somehow be resolved, and the only way that can happen is if there is a coloured block at the red circle.
After that, the solution was again more or less straightforward, and here's the finished grid:
The encoded message was a lot harder to find, but with OP's help, I finally figured out the encoding:
consider the lines as pairs; bottom row is "dit", top row is "dah"
This gives the message
you sol vedi tgoo d1m t7
the end of which suggests that maybe I have forgotten how to read morse code :-)
(EDIT: turns out my morse is fine, OP's puzzle creation tools had suffered a stronk.)