v0.15.0

What's Changed

• Verify Fly fleet convergence after the primer-site deploy by @stevenmburns in #154
• Document the refl-coef validity window (closes the #153 study) by @stevenmburns in #155
• fix(sommerfeld): cap grid r1_max to bound far-pair fill (#157) by @stevenmburns in #158
• Sommerfeld grid: near/far tabulation split — fill cost linear in geometry extent by @stevenmburns in #160
• Sommerfeld grid: frequency-axis reuse — one fill per band sweep, not per point by @stevenmburns in #162

Full Changelog: v0.14.0...v0.15.0