add unblock functionality

- add xyz.fake.inbox.unblock endpoint to pds.js
- add unblockSender method to client
- toggle reject/unblock button based on blocked state
- fix panel heights with CSS

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[e-mail]>

src/lib/client.js

···
 		}
 		return false;
 	}
+
+	async unblockSender(senderDid) {
+		const res = await fetch(`${PDS_URL}/xrpc/xyz.fake.inbox.unblock`, {
+			method: 'POST',
+			headers: {
+				'Content-Type': 'application/json',
+				Authorization: `Bearer ${this.accessToken}`
+			},
+			body: JSON.stringify({ did: senderDid })
+		});
+
+		if (res.ok) {
+			await this.syncState();
+			this.blocked.delete(senderDid);
+			return true;
+		}
+		return false;
+	}
 }
 
 export class LabelerClient {

src/lib/components/PdsPanel.svelte

···
 		background: #111;
 		border: 1px solid #222;
 		padding: 1rem;
+		height: 400px;
+		display: flex;
+		flex-direction: column;
 	}
 
 	h2 {
···
 		background: #0a0a0a;
 		border: 1px solid #1a1a1a;
 		padding: 0.5rem 0.75rem;
-		max-height: 160px;
+		flex: 1;
 		overflow-y: auto;
+		min-height: 0;
 	}
 	.inbox h3 {
 		font-size: 10px;

src/routes/+page.svelte

···
 		}
 	}
 
+	async function unblockSender() {
+		try {
+			if (await recipient.unblockSender(sender.did)) {
+				log(`${recipientHandle} unblocked ${senderHandle}`, 'green');
+			} else {
+				log(`${senderHandle} was not blocked`, 'dim');
+			}
+			refresh();
+		} catch (e) {
+			log(`error: ${e.message}`, 'red');
+		}
+	}
+
 	function swap() {
 		[senderHandle, recipientHandle] = [recipientHandle, senderHandle];
 	}
···
 			<Tooltip text="recipient accepts sender's message request">
 				<button class="accept" onclick={acceptRequest}>accept</button>
 			</Tooltip>
-			<Tooltip text="reject request and block sender permanently">
-				<button class="reject" onclick={rejectRequest}>reject</button>
-			</Tooltip>
+			{#key $tick}
+				{#if getPds(recipientHandle)?.blocked?.has(getPds(senderHandle)?.did)}
+					<Tooltip text="unblock sender so they can message again">
+						<button class="unblock" onclick={unblockSender}>unblock</button>
+					</Tooltip>
+				{:else}
+					<Tooltip text="reject request and block sender permanently">
+						<button class="reject" onclick={rejectRequest}>reject</button>
+					</Tooltip>
+				{/if}
+			{/key}
 			<Tooltip text="labeler marks sender as spam (all PDSes reject)">
 				<button class="spam" onclick={toggleSpam}>spam</button>
 			</Tooltip>
···
 	}
 	button.reject:hover {
 		background: rgba(170, 68, 68, 0.1);
+	}
+	button.unblock {
+		border-color: #2a4a6a;
+		color: #6a9fd4;
+	}
+	button.unblock:hover {
+		background: rgba(106, 159, 212, 0.1);
 	}
 	button.spam {
 		border-color: #4a4020;