Depend on dreamdict as a published module, not a local path

The dev `replace ../dreamdict` was only ever a bridge for building against
uncommitted upstream work. It cannot survive the Docker build, whose context is
this repo alone, so it comes out now that the two dreamdict commits are pushed.

Claude-Session: https://claude.ai/code/session_016y6gyuHkQXPiEuW8RGQyua

go.sum

@@ -16,6 +16,8 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
 github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/prosolis/dreamdict v0.0.0-20260727163219-302a39d5c768 h1:+7NP78QlAVcXMviA23cMBtxwvYwDhADnABa3JBhbApI=
+github.com/prosolis/dreamdict v0.0.0-20260727163219-302a39d5c768/go.mod h1:s4D+Q++6Qjq8X7/ZXEMStGXA6tScm4GadFo0+HF4BHY=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 golang.org/x/mod v0.36.0 h1:JJjpVx6myfUsUdAzZuOSTTmRE0PfZeNWzzvKrP7amb4=