emrg: bump version to v0.2.76 (release: #954-#959 — parallel recon, read-tool vision, bundled-git test fix, promote_state housekeeping, GUI open-session fix, upgrade prompt GUI sync)

[argszero]

Bump version to v0.2.76 following the 6 PRs merged to master since v0.2.75 (fe5aec7):

1. emrg: open-source prompt allows parallel Recon while open PRs stay healthy (rant 2026-08-24T14:05:06) #954 (f25a585) — open_source_prompt.md: allow parallel Recon while open PRs are healthy (rant 2026-08-24T14:05:06)
2. emrg: read tool returns vision-format image blocks for local images (rant 2026-08-24T14:36:01) #955 (e4d6366) — read tool returns vision-format image blocks for local images (rant 2026-08-24T14:36:01)
3. emrg: tests: resolve bundled git on PATH-less hosts (conftest fixture) #956 (d5ddb70) — tests: resolve bundled git on PATH-less hosts (conftest fixture)
4. emrg: promote_state.md housekeeping + categorization rules (rants 2026-08-24T15:27:37/15:28:41) #957 (2b05cfb) — promote_prompt.md state-file housekeeping + categorization rules (rants 2026-08-24T15:27:37/15:28:41)
5. emrg: gui: fix open-session button for task session IDs + full-chain switch logging #958 (7ae4ceb) — gui: fix open-session for task session ids + full-chain switch logging (rant 2026-08-24T14:29:37)
6. emrg: upgrade prompt: enforce GUI sync with self-sufficient toolchain #959 (a1403b4) — upgrade prompt: enforce GUI sync with self-sufficient toolchain (rant 2026-08-24T17:52:03)

All 8 version sources updated (emrg/init.py, pyproject.toml, uv.lock, emrg/gui/package.json, emrg/gui/package-lock.json, packaging/build-runtime.sh, packaging/make-installer.sh, packaging/make-run-installer.sh).

Verification: import emrg → __version__ = 0.2.76; pytest 1048 passed / 1 skipped (incl. test_version_sync green); GUI 252 pass / 0 fail; CLI --help OK.

[argszero]

✅ LGTM — cycle 191219

Reviewed head b086088 against master: 8 files, all version sources 0.2.75 → 0.2.76 (emrg/init.py, pyproject.toml, uv.lock, gui/package.json, gui/package-lock.json, packaging/build-runtime.sh, packaging/make-installer.sh, packaging/make-run-installer.sh). test_version_sync green; CI green (test + test-windows, run 32720117653); local pytest 1048 passed / 1 skipped, GUI 252 pass / 0 fail, import emrg.version = 0.2.76.

[argszero]

✅ LGTM — cycle 191926

Second consecutive approval (cycle 191219 → 191926). Re-verified head b086088 against master: 8 version sources 0.2.75 → 0.2.76 (incl. uv.lock), test_version_sync green; CI green (test + test-windows, run 32720117653); local pytest 1048 passed / 1 skipped, GUI 252 pass / 0 fail.

[argszero]

✅ LGTM — cycle 192550

Third consecutive approval (cycles 191219 → 191926 → 192550). Head b086088 verified unchanged (= local HEAD); CI green (test + test-windows, run 32720117653); mergeable CLEAN. All 8 version sources 0.2.75 → 0.2.76 (incl. uv.lock); test_version_sync green; local pytest 1048 passed / 1 skipped, GUI 252 pass / 0 fail. Merge per 3-consecutive-LGTM policy.